Listed below are an additional 3856 names recognized by various authorities for some of the plants included on NameThatPlant.net, as of 11/13/24. A plus sign indicates that the source further divides that species into varieties or subspecies.
Click the scientific name to link to information and (maybe) pictures!
×Crataemespilus canescens — Stern's Medlar, Stearn's Medlar
Abies nordmanniana — Nordmann Fir, Caucasian Fir
Abutilon abutilon — Velvetleaf, Indian Mallow, Butterprint
Acacia farnesiana — Common Sweet Acacia, Huisache
Acacia minuta — Common Sweet Acacia, Huisache
Acalypha virginica var. gracilens — Slender Threeseed Mercury, Slender Copperleaf, Shortstalk Copperleaf
Acalypha virginica var. rhomboidea — Common Threeseed Mercury, Rhombic Copperleaf
Acalypha virginica var. virginica — Virginia Threeseed Mercury, Virginia Copperleaf, Shortstalk Copperleaf
Acanthoxanthium spinosum — Spiny Cocklebur
Acer barbatum — Southern Sugar Maple, Florida Maple
Acer drummondii — Drummond’s Maple, Swamp Red Maple, Drummond’s Red Maple
Acer negundo var. violaceum — Eastern Box Elder, Ash-leaved Maple, River Maple
Acer pseudo-platanus — Sycamore Maple, Planetree Maple
Acer saccharum var. floridanum — Southern Sugar Maple, Florida Maple
Acer saccharum var. leucoderme — Chalk Maple, Small Chalk Maple, White-bark Maple
Acer saccharum var. nigrum — Black Maple
Acer tataricum ssp. ginnala — Amur Maple
Acerates floridana — Longleaf Milkweed, Savanna Milkweed
Acerates hirtella — Barrens Milkweed, Green Milkweed, Prairie Milkweed
Acerates viridiflora — Glade Milkweed, Green Milkweed
Acetosella acetosella — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel
Acetosella vulgaris ssp. pyrenaica — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel
Achillea borealis — Eastern Yarrow, Eastern Thousandleaf
Achillea lanulosa — Eastern Yarrow, Eastern Thousandleaf
Achyranthes japonica — Japanese Chaff-flower
Achyranthes philoxeroides — Alligator-weed
Acmispon americanus var. helleri — Carolina Prairie-trefoil
Acnida alabamensis — Southern Water-hemp, Southern Amaranth, Careless
Acnida cuspidata — Southern Water-hemp, Southern Amaranth, Careless
Aconitum uncinatum ssp. muticum — Appalachian Blue Monkshood, Eastern Blue Monkshood
Aconogonon polystachyum — Himalayan Knotweed, Kashmir Plume, cultivated knotweed
Actaea alba — Doll's-eyes, White Baneberry, White Cohosh
Actaea racemosa var. dissecta — Common Black Cohosh, Early Black Cohosh, Black Snakeroot, black bugbane
Actaea racemosa var. racemosa — Common Black Cohosh, Early Black Cohosh, Black Snakeroot, black bugbane
Actinidia chinensis — Green Kiwi-fruit, Chinese Gooseberry
Actinidia deliciosa — Green Kiwi-fruit, Chinese Gooseberry
Actinomeris alternifolia — Common Wingstem
Actinospermum angustifolium — Sandhill Honeycomb-head, Sandhill Balduina
Acuan illinoense — Illinois Bundleflower, Prairie Mimosa, Common Bundleflower
Adenoplea lindleyana — Lindley's Butterflybush
Adiantum aleuticum — Northern Maidenhair Fern
Adicea pumila — Greenfruit Clearweed, Richweed, Coolwort, Canadian Clearweed
Aegopodium podagraria var. variegatum — Goutweed, Bishop's Weed
Aesculus glabra — Ohio Buckeye, Fetid Buckeye, Chalky Buckeye
Afzelia cassioides — Senna Seymeria, Yaupon Black-senna
Afzelia pectinata ssp. pectinata — Comb Seymeria, Combleaf Black-senna, Yaupon Black-senna, Florida Black-senna
Agalinis acuta — Tenlobe Gerardia, Sandplain Agalinis, Tenlobe False Falseglove
Agalinis purpurea var. purpurea — Purple Gerardia, Common Agalinis, Purple False Foxglove
Agalinis purpurea var. purpurea — Wand Gerardia, Wand Agalinis, Pine-barren False Foxglove
Agalinis tenuifolia var. leucanthera — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia
Agalinis tenuifolia var. macrophylla — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia
Agalinis tenuifolia var. polyphylla — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia
Ageratina aromatica var. aromatica — Small-leaved White Snakeroot, Aromatic Snakeroot, Wild-hoarhound, Small White Snakeroot
Ageratina aromatica var. incisa — Small-leaved White Snakeroot, Aromatic Snakeroot, Wild-hoarhound, Small White Snakeroot
Agrimonia bicknellii — Downy Agrimony
Agrimonia platycarpa — Low Agrimony, Small-fruited Agrimony
Agrostis alba — Black Bentgrass, Redtop Bentgrass, Redtop
Agrostis alba — Creeping Bentgrass
Agrostis hiemalis — Ticklegrass, Small Bentgrass, Hairgrass, Winter Bentgrass
Agrostis palustris — Creeping Bentgrass
Agrostis perennans var. elata — Coastal Bog Bentgrass
Agrostis perennans var. perennans — Autumn Bentgrass, Upland Bentgrass, Upland Bent
Agrostis semiverticillata — Water Bent-grass, beardless rabbitsfoot grass
Agrostis verticillata — Water Bent-grass, beardless rabbitsfoot grass
Agrostis viridis — Water Bent-grass, beardless rabbitsfoot grass
Aira caespitosa — Tufted Hairgrass
Aira caryophyllaea — Silver Hairgrass
Aira caryophyllea var. capillaris — Elegant Hairgrass, Annual Silver Hairgrass
Aira elegantissima — Elegant Hairgrass, Annual Silver Hairgrass
Aira flexuosa — Appalachian Hairgrass, Crinkled Hairgrass, Common Hairgrass, Wavy Hairgrass
Albizzia julibrissin — Mimosa, Silktree, Albizia
Aleurites fordii — Tung-oil Tree
Alliaria officinalis — Garlic Mustard, Hedge Garlic
Allionia nyctaginea — Heart-leaved Umbrella-wort, Heartleaf Four-o’clock
Allium ampeloprasum var. ampeloprasum — Wild Leek, Yorktown Onion, Elephant Garlic
Allium ampeloprasum var. atroviolaceum — Wild Leek, Yorktown Onion, Elephant Garlic
Allium arenicola — Mobile Onion
Allium microscordion — Mobile Onion
Allium mutabile — Mobile Onion
Allium tricoccum var. burdickii — Narrowleaf Ramps, White Ramps
Allium tricoccum var. tricoccum — Red Ramps, Rampscallions, Wild Leek
Allium vineale ssp. compactum — Field Garlic, Wild Onion, Onion-grass, Crow Garlic
Alnus alnobetula — Green Alder, Mountain Alder
Alnus mitchelliana — Green Alder, Mountain Alder
Alnus viridis var. crispa — Green Alder, Mountain Alder
Alopecurus ramosus — Carolina Foxtail Grass
Alsine aquatica — Water-chickweed, Giant Chickweed, Water Mouse-ear
Alsine longifolia — Lesser Stitchwort, Grassleaf Starwort, Common Stitchwort
Alsine media — Common Chickweed
Alsine pubera — Star Chickweed, Giant Chickweed, Great Chickweed, Common Starwort
Alsine tennesseensis — Tennessee Starwort
Amaranthus gracilis — Slender Amaranth, Tropical Green Amaranth
Amarolea americana — Devilwood, Wild Olive
Ambrina ambrosioides — Mexican-tea, Epazote
Ambrina ambrosioides — Wormseed, Epazote
Ambrosia elatior — Annual Ragweed, Common Ragweed, Hogweed
Ambrosia glandulosa — Annual Ragweed, Common Ragweed, Hogweed
Ambrosia monophylla — Annual Ragweed, Common Ragweed, Hogweed
Amelanchier alabamensis — Downy Serviceberry, Sarvisberry
Amelanchier arborea var. alabamensis — Downy Serviceberry, Sarvisberry
Amelanchier arborea var. austromontana — Downy Serviceberry, Sarvisberry
Amelanchier canadensis var. canadensis — Eastern Serviceberry, Canadian Serviceberry
Amelanchier canadensis var. obovalis — Coastal Plain Serviceberry, Pocosin Shadbush, Coastal Serviceberry
Amelanchier oblongifolia — Eastern Serviceberry, Canadian Serviceberry
Amorpha curtissii — False Indigo, Tall Indigo-bush, False Indigo-bush
Amorpha cyanostachya — Savanna Indigo-bush
Amorpha tennesseensis — False Indigo, Tall Indigo-bush, False Indigo-bush
Amorpha virgata — False Indigo, Tall Indigo-bush, False Indigo-bush
Ampelamus albidus — Bluevine, Sandvine, Honeyvine
Ampelamus laevis — Bluevine, Sandvine, Honeyvine
Ampelopsis glandulosa var. brevipedunculata — Porcelain-berry, Amur Peppervine
Ampelopsis heterophylla — Porcelain-berry, Amur Peppervine
Ampelopsis heterophylla var. brevipedunculata — Porcelain-berry, Amur Peppervine
Ampelothamnus phillyreifolius — Vine-wicky, Climbing Fetterbush, Climbing Wicky
Amphicarpon amphicarpon — Pinebarrens Peanut-grass, Pinebarrens Goober-grass, New Jersey Goober-grass
Amphiglottis conopsea — Green-fly Orchid
Amphistelma scoparia — Leafless Swallowwort, Cynanchum
Amsonia amsonia — Eastern Bluestar, Blue Dogbane, Wideleaf Bluestar
Amsonia ciliata var. filifolia — Sandhill Bluestar, Fringed Bluestar
Amsonia ciliata var. tenuifolia — Sandhill Bluestar, Fringed Bluestar
Amsonia tabernaemontana var. gattingeri — Swamp Bluestar, Ozark Bluestar, Shining Bluestar
Amsonia tabernaemontana var. illustris — Swamp Bluestar, Ozark Bluestar, Shining Bluestar
Amsonia tabernaemontana var. salicifolia — Eastern Bluestar, Blue Dogbane, Wideleaf Bluestar
Amsonia tabernaemontana var. salicifolia — Swamp Bluestar, Ozark Bluestar, Shining Bluestar
Amygdalus persica — Peach
Anacampseros telephioides — Allegheny Live-forever, Cliff Orpine, Allegheny Stonecrop
Anacharis densa — Brazilian Waterweed, Brazilian Egeria, "Brazilian Elodea", "Anacharis"
Anagallis arvensis var. arvensis — Scarlet Pimpernel, Poor Man's Weatherglass
Anantherix connivens — Largeflower Milkweed
Androcera rostrata — Buffalo-bur Nightshade, Kansas-thistle
Andromeda glaucophylla — Bog-rosemary
Andromeda populifolia — Tall Fetterbush, Florida Leucothoe, Florida Hobblebush, Agarista
Andropogon campyloracheus — Elliott's Bluestem
Andropogon decipiens — Deceptive Bluestem, Deceptive Broomsedge
Andropogon elliottii var. stenophyllus — Narrowleaf Bluestem
Andropogon gerardii ssp. gerardii — Big Bluestem, Turkeyfoot
Andropogon glomeratus var. glaucopsis — Chalky Bluestem, Purple Bluestem, Coastal Bluestem, Big Chalky Bluestem
Andropogon glomeratus var. pumilus "robust variant" — Maritime Bushy Bluestem, Bushy Beardgrass, Maritime Bluestem
Andropogon gyrans var. gyrans "common variant" — Elliott's Bluestem
Andropogon liebmannii var. pungensis — Mohr's Bluestem, Tawny Bluestem, Bog Bluestem
Andropogon littoralis — Seaside Little Bluestem
Andropogon provincialis — Big Bluestem, Turkeyfoot
Andropogon scoparius var. littoralis — Seaside Little Bluestem
Andropogon scoparius var. scoparius — Common Little Bluestem
Andropogon stolonifer — Creeping Bluestem, Creeping Little Bluestem
Andropogon virginicus var. dealbatus — Wetland White Bluestem
Andropogon virginicus var. glaucopsis — Chalky Bluestem, Purple Bluestem, Coastal Bluestem, Big Chalky Bluestem
Andropogon virginicus var. glaucopsis — Wetland White Bluestem
Andropogon virginicus var. glaucus — Dryland White Bluestem, Chalky Bluestem
Andropogon virginicus var. glaucus — Wetland White Bluestem
Andropogon virginicus var. glaucus "drylands variant" — Dryland White Bluestem, Chalky Bluestem
Andropogon virginicus var. glaucus "wetlands variant" — Wetland White Bluestem
Andropogon virginicus var. hirsutior — Savanna Bushy Bluestem, Hairy Bluestem
Andropogon virginicus var. virginicus "oldfield variant" — Broomsedge, Broomsedge Bluestem, Old-field Broomstraw, "Sedge Grass"
Anemone acutiloba — Sharp-lobed Hepatica, Sharp-lobed Liverleaf
Anemone americana — Round-lobed Hepatica, Round-lobed Liverleaf
Anemone quinquefolia var. bifolia — Wood Anemone
Anemone riparia — Thimbleweed, Tall Thimbleweed, Tall Anemone
Anemonella thalictroides — Windflower, Rue-anemone
Anemonidium canadense — Canada Anemone
Angelica curtisii — Mountain Angelica, Appalachian Angelica, Filmy Angelica
Angelica venenosa ssp. dentata — Sandhill Angelica
Angelica venenosa ssp. venenosa — Hairy Angelica, Downy Angelica, Deadly Angelica, Woodland Angelica
Angelica villosa — Hairy Angelica, Downy Angelica, Deadly Angelica, Woodland Angelica
Anisostichus crucigera — Crossvine
Antennaria calophylla — Big-head Pussytoes
Antennaria caroliniana — Plantainleaf Pussytoes, Plantain Pussytoes
Antennaria fallax — Big-head Pussytoes
Antennaria fallax var. calophylla — Big-head Pussytoes
Antennaria howellii — Pussytoes
Antennaria neglecta var. argillicola — Shale-barren Pussytoes
Antennaria neglecta var. attenuata — Pussytoes
Antennaria neglecta var. neglecta — Field Pussytoes
Antennaria neglecta var. neodioica — Pussytoes
Antennaria neodioica var. attenuata — Pussytoes
Antennaria neodioica var. neodioica — Pussytoes
Antennaria parlinii var. arnoglossa — Parlin's Pussytoes
Antennaria parlinii var. parlinii — Parlin's Pussytoes
Antennaria plantaginifolia var. parlinii — Parlin's Pussytoes
Antennaria virginica var. argillicola — Shale-barren Pussytoes
Antennaria virginica var. virginica — Shale-barren Pussytoes
Antenoron virginianum — Virginia Jumpseed
Anthemis arvensis var. agrestis — Corn Chamomile, Field Chamomile
Anthemis arvensis var. arvensis — Corn Chamomile, Field Chamomile
Anthopogon crinitum — Eastern Fringed Gentian, Greater Fringed Gentian
Anticlea chlorantha — White Death-camas, White Camass, Mountain Death-camas
Anticlea elegans — White Death-camas, White Camass, Mountain Death-camas
Anticlea elegans ssp. glauca — White Death-camas, White Camass, Mountain Death-camas
Anychia canadensis — Forked Chickweed, Canada Whitlow-wort, Smooth Forked Nailwort
Anychiastrum montanum — Mountain Nailwort, Shale-barren Whitlow-wort
Aquilegia australis — Eastern Columbine, Canada Columbine
Aquilegia coccinea — Eastern Columbine, Canada Columbine
Arabidopsis lyrata — Lyreleaf Rockcress, Dwarf Rockcress, Sandcress
Arabis burkii — Burk's Smooth Rockcress, Porter's Rockcress
Arabis burkii — Common Smooth Rockcress
Arabis laevigata — Common Smooth Rockcress
Arabis virginica — Sibara, Virginia-cress, Virginia Rockcress, Virginia Winged Rockcress
Arabis viridis var. viridis — Missouri Rockcress
Arachis glabrata var. glabrata — Grassnut
Arachis glabrata var. hagenbeckii — Grassnut
Arachis prostrata — Grassnut
Aranella fimbriata — Fringed Bladderwort
Archangelica dentata — Sandhill Angelica
Arenaria alabamensis — Piedmont Sandwort, One-flower Sandwort
Arenaria glabra — Appalachian Sandwort
Arenaria lanuginosa ssp. lanuginosa var. longepedunculata — Spreading Sandwort
Arenaria patula var. patula — Lime-barren Sandwort, Glade Sandwort
Arenaria serpyllifolia ssp. leptoclados — Lesser Thymeleaf Sandwort, Slender Sandwort
Arenaria serpyllifolia ssp. serpyllifolia — Large Thymeleaf Sandwort
Arenaria serpyllifolia var. serpyllifolia — Large Thymeleaf Sandwort
Arenaria serpyllifolia var. tenuior — Lesser Thymeleaf Sandwort, Slender Sandwort
Argemone alba — White Prickly-poppy, Carolina Poppy
Argentacer saccharinum — Silver Maple, Soft Maple
Arisaema atrorubens — Jack-in-the-Pulpit
Arisaema atrorubens — Common Jack-in-the-Pulpit, Indian Turnip
Arisaema triphyllum var. acuminatum — Florida Jack-in-the-pulpit
Arisaema triphyllum var. pusillum — Small Jack-in-the-pulpit, Swamp Jack
Arisaema triphyllum var. triphyllum — Common Jack-in-the-Pulpit, Indian Turnip
Arisaema triphyllum var. triphyllum — Bog Jack-in-the-pulpit, Northern Jack-in-the-pulpit
Arisaema triphyllum var. triphyllum — Jack-in-the-Pulpit
Aristida stricta var. beyrichiana — Southern Wiregrass
Aristida stricta var. stricta — Carolina Wiregrass, Pineland Three-awn
Aristolochia convolvulacea — Turpentine-root, Virginia Snakeroot, Serpent Birthwort
Aristolochia durior — Dutchman's Pipe, Pipevine
Aristolochia hastata — Turpentine-root, Virginia Snakeroot, Serpent Birthwort
Aristolochia littoralis — Elegant Dutchman's Pipe, Calico-flower
Arnoglossum muehlenbergii — Great Indian-plantain
Aronia ×floribunda — Purple Chokeberry
Aronia atropurpurea — Purple Chokeberry
Arsenococcus frondosus — Southern Maleberry, He-huckleberry
Arsenococcus ligustrinus — Northern Maleberry, He-huckleberry
Artemisia ludoviciana var. gnaphalodes — White Sage, Prairie Sage, White Sagewort, Western Mugwort
Artemisia ludoviciana var. ludoviciana — White Sage, Prairie Sage, White Sagewort, Western Mugwort
Artemisia stellerana — Beach Wormwood, Dusty Miller, Hoary Mugwort, Oldwoman
Aruncus allegheniensis — Eastern Goatsbeard, Bride's Feathers
Arundinaria gigantea ssp. gigantea — River Cane, Giant Cane
Arundinaria gigantea ssp. tecta — Switch Cane, Small Cane, Mutton Grass
Arundinaria gigantea ssp. tecta — Hill Cane
Arundo donax var. donax — Giant Reed
Arundo donax var. versicolor — Giant Reed
Asarum arifolium — Little Brown Jug, Arrowhead Heartleaf, Arrowleaf Heartleaf, Pigs
Asarum arifolium var. arifolium — Little Brown Jug, Arrowhead Heartleaf, Arrowleaf Heartleaf, Pigs
Asarum arifolium var. callifolium — Gulf Little Brown Jug
Asarum arifolium var. ruthii — Appalachian Little Brown Jug
Asarum callifolium — Gulf Little Brown Jug
Asarum canadense var. acuminatum — Acuminate Wild Ginger
Asarum canadense var. ambiguum — Common Wild Ginger, Canada Wild Ginger
Asarum canadense var. canadense — Common Wild Ginger, Canada Wild Ginger
Asarum canadense var. reflexum — Reflexed Wild Ginger
Asarum contractum — French Broad Heartleaf, Carolina Heartleaf
Asarum contractum — Mountain Heartleaf
Asarum harperi — Harper's Heartleaf
Asarum heterophyllum — Variable-leaf Heartleaf
Asarum lewisii — Lewis's Heartleaf
Asarum memmingeri — Virginia Heartleaf
Asarum minus — Little Heartleaf, Small Heartleaf Ginger
Asarum naniflorum — Dwarf-flower Heartleaf
Asarum rhombiformis — French Broad Heartleaf, Carolina Heartleaf
Asarum rubrocinctum — Acuminate Wild Ginger
Asarum ruthii — Appalachian Little Brown Jug
Asarum shuttleworthii var. harperi — Harper's Heartleaf
Asarum shuttleworthii var. shuttleworthii — Large-flower Heartleaf, Wild Ginger
Asarum sorriei — Sandhill Heartleaf, Streamhead Heartleaf
Asarum speciosum — Alabama Heartleaf, Alabama Ginger
Asarum virginicum — Virginia Heartleaf
Asclepias aceratoides — Sandhill Milkweed, Velvetleaf Milkweed
Asclepias decumbens — Butterfly Milkweed, Eastern Butterflyweed, Pleurisy Root, Wind Root
Asclepias lanceolata var. paupercula — Fewflower Milkweed, Red Milkweed
Asclepias laurifolia — Purple Savanna Milkweed, "Red Milkweed", Bog Milkweed
Asclepias longifolia ssp. hirtella — Barrens Milkweed, Green Milkweed, Prairie Milkweed
Asclepias longifolia ssp. longifolia — Longleaf Milkweed, Savanna Milkweed
Asclepias longifolia var. hirtella — Barrens Milkweed, Green Milkweed, Prairie Milkweed
Asclepias longifolia var. longifolia — Longleaf Milkweed, Savanna Milkweed
Asclepias pulchra — Eastern Swamp Milkweed
Asclepias rolfsii — Sandhill Butterflyweed, Sandhill Butterfly Milkweed, Rolfs' milkweed
Asclepias tuberosa — Butterfly Milkweed, Eastern Butterflyweed, Pleurisy Root, Wind Root
Asclepiodora viridis — Green Antelope-horn, Spider Milkweed, Green Milkweed
Ascyrum cuneifolium — St. Peter's-wort, St. Andrew's Cross, St. Peter's Cross
Ascyrum hypericoides — St. Andrew's Cross
Ascyrum hypericoides var. multicaule — Straggling St. Johnswort, Low St. Johnswort, Creeping St. Andrew's Cross
Ascyrum linifolium — St. Andrew's Cross
Ascyrum pumilum — Pineland St. Johnswort
Ascyrum stans — St. Peter's-wort, St. Andrew's Cross, St. Peter's Cross
Ascyrum tetrapetalum — Low St. Peter's-wort
Asemeia cumulicola — Showy Milkwort
Asemeia grandiflora var. angustifolia — Showy Milkwort
Asemeia grandiflora var. grandiflora — Showy Milkwort
Asemeia leiodes — Showy Milkwort
Asemeia miamiensis — Showy Milkwort
Asimina ×piedmontana [parviflora × triloba] — Hybrid Pawpaw
Asimina incarna — Flag Pawpaw, Polecat Bush, Woolly Pawpaw
Asimina longifolia var. longifolia — Slimleaf Pawpaw
Asimina longifolia var. spatulata — Slimleaf Pawpaw
Asimina speciosa — Flag Pawpaw, Polecat Bush, Woolly Pawpaw
Asparagus densiflorus — Sprenger’s Asparagus-fern, Emerald-fern
Asplenium ×pinnatifidum — Lobed Spleenwort
Asplenium heterochroum — Marl Spleenwort, Carolina Spleenwort, Wagner's Spleenwort, Morzenti's Spleenwort
Asplenium pinnatifidum var. pinnatifidum — Lobed Spleenwort
Asplenium platyneuron var. bacculum-rubrum — Ebony Spleenwort
Asplenium platyneuron var. platyneuron — Ebony Spleenwort
Asplenium pycnocarpon — Glade Fern
Aspris capillaris — Elegant Hairgrass, Annual Silver Hairgrass
Aspris caryophyllea — Silver Hairgrass
Aster adnatus — Scale-leaf Aster
Aster asperifolius — Wavyleaf Aster
Aster avitus — Alexander's Rock Aster
Aster boykinii — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster
Aster brachypholis — Small White Aster
Aster camptosorus — Short's Aster, Midwestern Blue Heart-leaved Aster
Aster castaneus — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster
Aster chlorolepis — Blue Ridge White Heart-leaved Aster, Mountain Wood-aster
Aster claviger — Wavyleaf Aster
Aster concinnus — Narrowleaf Smooth Blue Aster, Harmonious Aster
Aster conduplicatus — Purplestem Aster, Swamp Aster
Aster cordifolius var. sagittifolius — White Arrowleaf Aster, Arrowleaf Blue Wood Aster
Aster coridifolius — Bushy Aster, Long-stalked Aster, Rice Button Aster
Aster corrigiatus — Wavyleaf Aster
Aster depauperatus — Serpentine Aster
Aster divaricatus — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster
Aster elodes — New York Aster
Aster eryngiifolius — Eryngo-leaved Aster, Thistleleaf Aster
Aster excavatus — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster
Aster falcidens — Smooth Blue Aster
Aster firmus — Shining Aster, Glossyleaf Aster
Aster flexilis — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster
Aster georgianus — Georgia Aster
Aster glomeratus — Schreber's Aster
Aster gracilescens — Wavyleaf Aster
Aster laevis — Smooth Blue Aster
Aster laevis — Narrowleaf Smooth Blue Aster, Harmonious Aster
Aster lanceolatus ssp. lanceolatus var. latifolius — Broadleaf Panicled Aster, White Panicle Aster, Broad-leaved White Panicled Aster
Aster lanceolatus var. lanceolatus — Panicled Aster, White Panicle Aster, Tall White Aster
Aster lanceolatus var. latifolius — Broadleaf Panicled Aster, White Panicle Aster, Broad-leaved White Panicled Aster
Aster lanceolatus var. simplex — Broadleaf Panicled Aster, White Panicle Aster, Broad-leaved White Panicled Aster
Aster linguiformis — Wavyleaf Aster
Aster loriformis — Wavyleaf Aster
Aster lowrieanus — Smooth Heartleaf Aster, Lowrie's Blue Wood Aster, Lowrie's Aster
Aster lucidulus — Shining Aster, Glossyleaf Aster
Aster mirabilis — Piedmont Aster, Bouquet Aster
Aster mohrii — Wavyleaf Aster
Aster multiformis — Large-leaf Aster, Bigleaf Aster
Aster ontarionis — Bottomland Aster
Aster patens var. georgianus — Georgia Aster
Aster patens var. patens — Late Purple Aster, Common Clasping Aster, Late Blue Aster, Skydrop Aster
Aster patens var. phlogifolius — Appalachian Clasping Aster, Thinleaf Late Purple Aster
Aster phlogifolius — Appalachian Clasping Aster, Thinleaf Late Purple Aster
Aster pilosus var. pilosus — Frost Aster, White Heath Aster
Aster plumarius — Smooth Heartleaf Aster, Lowrie's Blue Wood Aster, Lowrie's Aster
Aster praealtus — Willowleaf Aster, Veiny-lined Aster, Tall Aster, Willow Aster
Aster praealtus var. angustior — Willowleaf Aster, Veiny-lined Aster, Tall Aster, Willow Aster
Aster praealtus var. praealtus — Willowleaf Aster, Veiny-lined Aster, Tall Aster, Willow Aster
Aster proteus — Wavyleaf Aster
Aster ptarmicoides — Prairie Goldenrod, White Prairie-goldenrod, Upland White Aster
Aster puniceus var. elliottii — Elliott's Aster, Southern Swamp Aster
Aster puniceus var. firmus — Shining Aster, Glossyleaf Aster
Aster puniceus var. puniceus — Purplestem Aster, Swamp Aster
Aster racemosus — Small White Aster
Aster racemosus — Small White Oldfield Aster
Aster radula — Rough-leaved Aster, Low Rough Aster
Aster retroflexus — Curtis's Aster, Rigid Whitetop Aster
Aster riciniatus — Large-leaf Aster, Bigleaf Aster
Aster sagittifolius var. sagittifolius — White Arrowleaf Aster, Arrowleaf Blue Wood Aster
Aster schreberi — Schreber's Aster
Aster sericeus — Western Silvery Aster
Aster sericocarpoides — Pocosin Flat-top Aster, Southern Whitetop, Streamhead Flat-top Aster, Southern Flat-top Aster
Aster shortii — Short's Aster, Midwestern Blue Heart-leaved Aster
Aster shortii var. camptosorus — Short's Aster, Midwestern Blue Heart-leaved Aster
Aster simmondsii — Simmonds’s Aster
Aster smallii — Low Showy Aster, Eastern Showy Aster
Aster stillettiformis — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster
Aster subulatus var. ligulatus — Midwestern Saltmarsh Aster, Annual Water Aster, Yard Aster
Aster subulatus var. subulatus — Eastern Saltmarsh Aster, Annual Saltmarsh Aster
Aster sylvestris — Wavyleaf Aster
Aster tenebrosus — White Wood-aster, Woodland Aster, Common White Heart-leaved Aster
Aster triangularis — Wavyleaf Aster
Aster truellius — Wavyleaf Aster
Aster vimineus var. subdumosus — Small White Oldfield Aster
Aster vimineus var. vimineus — Small White Aster
Aster walteri — Walter's Aster
Astragalus carolinianus — Canada Milkvetch
Astranthium integrifolium var. integrifolium — Eastern Western-daisy, Entireleaf Western-daisy
Atamosco atamasco — Common Atamasco-lily, Rain-lily, Easter Lily, Naked Lily
Atamosco candida — Fall Rain-lily, Autumn Zephyrlily
Atamosco simpsonii — Florida Atamasco-lily, Red-margined Atamasco-lily, Rain-lily
Atamosco treatiae — Rain-lily, Treat's Zephyr-lily
Athyrium filix-femina var. angustum — Northern Lady Fern
Athyrium filix-femina var. asplenioides — Southern Lady Fern
Athyrium filix-femina var. michauxii — Northern Lady Fern
Athyrium niponicum — Japanese Painted Fern
Atragene americana — Mountain Clematis, Purple Clematis
Atriplex hastata — Thinleaf Orach, Fat-hen, Triangle Orach
Atriplex mucronata — Seabeach Orach
Atriplex patula var. hastata — Thinleaf Orach, Fat-hen, Triangle Orach
Atriplex patula var. patula — Spear Orach
Aureolaria flava ssp. flava — Smooth False Foxglove, Smooth Oak-leach, Smooth Yellow False Foxglove
Aureolaria flava ssp. reticulata — Smooth False Foxglove, Smooth Oak-leach, Smooth Yellow False Foxglove
Aureolaria flava var. macrantha — Smooth False Foxglove, Smooth Oak-leach, Smooth Yellow False Foxglove
Aureolaria microcarpa — Downy False Foxglove, Downy Oak-leach, Virginia Oak-leach, Downy Yellow False Foxglove
Aureolaria pectinata + — Southern Oak-leach, Sticky False Foxglove, Combleaf Yellow False Foxglove
Aureolaria pedicularia var. pectinata — Southern Oak-leach, Sticky False Foxglove, Combleaf Yellow False Foxglove
Azalea alabamensis — Alabama Azalea
Azalea arborescens — Sweet Azalea, Smooth Azalea
Azalea atlantica — Dwarf Azalea, Coastal Azalea
Azalea austrina — Florida Flame Azalea, Yellow Azalea
Azalea calendulacea — Flame Azalea
Azalea candida — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea
Azalea canescens — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea
Azalea nudiflora — Pinxterflower, Pinxterbloom Azalea, Election Pink, Pinxter Azalea
Azalea oblongifolia — Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea
Azalea pilosa — Minniebush
Azalea prinophylla — Election Pink, Roseshell Azalea, Early Azalea
Azalea prunifolia — Plumleaf Azalea
Azalea serrulata — Swamp Azalea, Clammy Azalea, Sweet Azalea
Azalea speciosa — Oconee Azalea
Azalea viscosa — Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea
Azalea viscosa — Clammy Azalea
Azolla cristata — Carolina Mosquito-fern, Eastern Mosquito-fern, Water Fern
Azolla microphylla — Carolina Mosquito-fern, Eastern Mosquito-fern, Water Fern
Bacopa acuminata — Mecardonia, Common Axilflower
Bacopa stragula — Tropical Water-hyssop
Balsamita major — Mint-geranium, Costmary, Sweetmary
Baptisia albescens × B. tinctoria — a hybrid Wild Indigo
Baptisia gibbesii — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed
Baptisia lactea var. lactea — white wild indigo
Baptisia leucantha — white wild indigo
Baptisia leucophaea var. glabrescens — longbract wild indigo
Baptisia minor var. aberrans — Eastern Prairie Blue Wild Indigo, Glade Wild Indigo, Glade Blue Wild Indigo, Glade Blue Baptisia
Baptisia pendula var. macrophylla — white wild indigo
Baptisia pendula var. obovata — Thick-pod White Wild Indigo
Baptisia tinctoria var. crebra — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed
Baptisia tinctoria var. projecta — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed
Baptisia tinctoria var. tinctoria — Horsefly Weed, Yellow Wild Indigo, Yellow False-indigo, Rattleweed
Baptisia villosa — Carolina Wild Indigo, Gray-hairy Wild Indigo
Barbarea vulgaris var. vulgaris — Yellow Rocket-cress, Common Winter-cress, Yellow Rocket, Creasy
Bartonia paniculata var. paniculata — Screwstem Bartonia
Batodendron arboreum — Sparkleberry, Farkleberry
Batschia canescens — Hoary Puccoon, Indian-paint
Batschia caroliniensis — Coastal Plain Puccoon, Hairy Puccoon, Sandhill Puccoon
Befaria racemosa — Tarflower, Flycatcher
Benzoin aestivale — Northern Spicebush, Wild Allspice
Benzoin melissaefolium — Southern Spicebush, Pondberry
Berberis bealei — Leatherleaf Mahonia, Chinese Mahonia, Holly-grape
Berberis julianiae — Evergreen Barberry, Wintergreen Barberry
Berberis nervosa — Cascade Oregon-grape, Cascades Mahonia
Berberis repens — Creeping Oregon-grape
Betula alleghaniensis var. macrolepis — Yellow Birch
Bicuculla canadensis — Squirrel Corn
Bicuculla cucullaria — Dutchman's Britches
Bicuculla eximia — Wild Bleeding Heart
Bidens aristosa var. aristosa — Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower
Bidens aristosa var. mutica — Ditch Daisy, Bearded Beggarticks, Midwestern Tickseed-sunflower, Tickseed Sunflower
Bidens mitis var. leptophylla — Coastal Plain Tickseed-sunflower, Smallfruit Beggarticks
Bidens mitis var. mitis — Coastal Plain Tickseed-sunflower, Smallfruit Beggarticks
Bidens nashii — Showy Bur-marigold, Smooth Beggarticks
Bidens tripartita ssp. comosa — Strawstem Beggarticks
Bigelowia nudata var. nudata — Pineland Rayless-goldenrod
Bigelowia virgata — Nuttall's Rayless-goldenrod, Glade Rayless-goldenrod, West Gulf Coastal Plain Rayless-goldenrod
Bignonia radicans — Trumpetcreeper, Trumpet Vine, Cow-Itch Vine
Bignonia unguis-cati — Claw-vine, Cat's-claw-vine
Bilderdykia cilinodis — Fringed Climbing Buckwheat, Fringed Black Bindweed, Fringed Bindweed
Bilderdykia convolvulus — Climbing Buckwheat, Nimblewill, Black Bindweed
Bilderdykia cristata — Common Climbing Buckwheat
Bilderdykia scandens — Common Climbing Buckwheat
Biltia vaseyi — Pinkshell Azalea
Biota orientalis — Oriental Arborvitae, Tree-of-life
Biovularia olivacea — Dwarf Bladderwort, Minute Bladderwort
Biventraria variegata — White Milkweed, Redring Milkweed, Variegated Milkweed
Bivonea stimulosa — Spurge-nettle, Tread-softly, Bull-nettle, Finger-rot
Bladhia crenata — Coral Ardisia, Hen's Eyes, Coralberry, Marlberry
Bladhia japonica — Japanese Ardisia, Marlberry
Bladhia solanacea — China-shrub
Blephariglottis blephariglottis — Small White Fringed Orchid
Blephariglottis ciliaris — Yellow Fringed Orchid
Blephariglottis conspicua — Large White Fringed Orchid, Southern White Fringed Orchid
Blephariglottis cristata — Crested Fringed Orchid, Golden Fringed Orchid
Blephariglottis grandiflora — Large Purple Fringed Orchid, Plume-royal, Greater Purple Fringed Orchid
Blephariglottis lacera — Ragged Fringed Orchid, Green Fringed Orchid, Ragged Orchid
Blephariglottis peramoena — Purple Fringeless Orchid, Purple Spire Orchid, Pride-of-the-peak
Blephariglottis psycodes — Small Purple Fringed Orchid, Butterfly Orchid, Lesser Purple Fringed Orchid
Boechera burkii — Burk's Smooth Rockcress, Porter's Rockcress
Boechera canadensis — Canada Rockcress, Sicklepod
Boechera georgiana — Georgia Rockcress
Boechera laevigata — Burk's Smooth Rockcress, Porter's Rockcress
Boechera laevigata — Common Smooth Rockcress
Boechera missouriensis — Missouri Rockcress
Boechera patens — Spreading Rockcress
Boehmeria decurrens — False Nettle, Swamp-nettle
Boehmeria drummondiana — False Nettle, Swamp-nettle
Boerhaavia erecta — Erect Spiderling, Smooth Hogweed
Boltonia diffusa — Southern Doll's-daisy, Boltonia, Smallhead Doll's-daisy
Boltonia diffusa var. caroliniana — Carolina Doll's-daisy, Boltonia
Bonamia angustifolia — Narrowleaf Dawnflower
Borreria laevis — Woodland Buttonweed
Botrychium matricariaefolium — Daisyleaf Moonwort
Botrychium obliquum — Cutleaf Grapefern, Dissected Grapefern
Bowlesia septentrionalis — Hoary Bowlesia
Brachiaria ramosa — Browntop Millet, Dixie Signalgrass
Brachychaeta sphacelata — Heartleaf Goldenrod, False Goldenrod, Limestone Goldenrod, Autumn Goldenrod
Brachyelytrum erectum var. erectum — Bearded Shorthusk, Common Shorthusk
Brachyelytrum erectum var. septentrionale — Northern Shorthusk
Brachyelytrum septentrionale — Northern Shorthusk
Bradburya virginiana — Climbing Butterfly-pea, Spurred Butterfly-pea
Brassica campestris — Turnip, Field Mustard, Field Rape, Chinese Cabbage
Brassica japonica — Mustard Greens, Indian Mustard, Brown Mustard, Chinese Mustard
Brassica rapa var. chinensis — Turnip, Field Mustard, Field Rape, Chinese Cabbage
Breweria humistrata — Southern Dawnflower
Breweria michauxii — Water Dawnflower
Breweria pickeringii — Pickering's Dawnflower
Bromus hordeaceus — Soft Chess, Lopgrass, Soft Brome
Bromus japonicus var. japonicus — Japanese Chess, Japanese Brome
Bromus japonicus var. porrectus — Japanese Chess, Japanese Brome
Bromus laeviglumis — Hairy Woodland Brome, Common Eastern Brome, Canada Brome
Bromus purgans var. laeviglumis — Hairy Woodland Brome, Common Eastern Brome, Canada Brome
Bromus purgans var. purgans — Hairy Woodland Brome, Common Eastern Brome, Canada Brome
Bromus unioloides — Rescue Grass
Bruneria columbiana — Colombian Watermeal
Buchnera breviflora — Savanna Bluehearts, Florida Bluehearts, Buchnera
Buchnera elongata — Savanna Bluehearts, Florida Bluehearts, Buchnera
Buchnera longifolia — Savanna Bluehearts, Florida Bluehearts, Buchnera
Bumelia anomala — Alachua Bully, Silver Bully, Silver Buckthorn
Bumelia lanuginosa — Eastern Gum Bumelia, Eastern Gum Bully
Bumelia lanuginosa var. anomala — Alachua Bully, Silver Bully, Silver Buckthorn
Bumelia lycioides var. lycioides — Buckthorn Bumelia, Buckthorn Bully, Carolina Buckthorn
Bumelia lycioides var. virginiana — Buckthorn Bumelia, Buckthorn Bully, Carolina Buckthorn
Bumelia macrocarpa — Big-fruited Buckthorn, Ohoopee Bumelia, Ohoopee Bully
Bumelia microcarpa — Smooth Bumelia, Florida Bully
Bumelia reclinata — Smooth Bumelia, Florida Bully
Bumelia reclinata var. reclinata — Big-fruited Buckthorn, Ohoopee Bumelia, Ohoopee Bully
Bumelia smallii — Buckthorn Bumelia, Buckthorn Bully, Carolina Buckthorn
Bumelia thornei — Georgia Bully, Thorne's Bumelia, Swamp Bumelia
Bursa bursa-pastoris — Common Shepherd's Purse
Buxella brachycera — Box Huckleberry
Cabomba caroliniana var. caroliniana — Fanwort, Carolina Fanwort
Cabomba caroliniana var. pulcherrima — Fanwort, Carolina Fanwort
Cacalia diversifolia — Variable-leaf Indian-plantain
Cacalia ovata — Broadleaf Indian-plantain, Ovateleaf Indian-plantain, Ovateleaf Cacalia
Cacalia rugelia — Rugel's Ragwort, Rugelia, Rugel's Indian-plantain
Caladium giganteum — Giant Elephant's-ear, Indian Taro
Calamagrostis epigeios var. epigeios — Bushgrass, Feathertop
Calamagrostis epigeios var. georgica — Bushgrass, Feathertop
Calamintha ashei — Ashe's Savory, Ashe's Calamint, Ohoopee Dunes Wild Basil
Calamintha coccinea — Scarlet Wild Basil, Scarlet Calamint, Red Mint Shrub, Red Basil
Calamintha georgiana — Georgia Savory, Georgia Basil, Georgia Calamint, False Peppermint
Calamintha nepeta ssp. glandulosa — Lesser Calamint, Basil-thyme
Calamintha officinalis — Lesser Calamint, Basil-thyme
Callirhoe digitata var. stipulata — Palmleaf Poppy-mallow
Callitropsis ×leylandii — Leyland Cypress
Calycanthus brockiana — Sweetshrub, Carolina Allspice, Strawberry-shrub
Calycanthus brockianus — Sweetshrub, Carolina Allspice, Strawberry-shrub
Calycanthus fertilis — Sweetshrub, Carolina Allspice, Strawberry-shrub
Calycanthus floridus var. floridus — Sweetshrub, Carolina Allspice, Strawberry-shrub
Calycanthus mohrii — Sweetshrub, Carolina Allspice, Strawberry-shrub
Calycanthus nanus — Sweetshrub, Carolina Allspice, Strawberry-shrub
Calystegia catesbeiana ssp. catesbeiana — Catesby's Bindweed, Catesby's False Bindweed
Calystegia catesbeiana ssp. sericata — Blue Ridge Bindweed, Silky Bindweed, Downy False Bindweed
Calystegia silvatica ssp. fraterniflorus — Twin-flowered Bindweed, Twoflower Bindweed, Shortstalk False Bindweed
Calystegia silvatica var. fraterniflora — Twin-flowered Bindweed, Twoflower Bindweed, Shortstalk False Bindweed
Calystegia spithamaea ssp. stans — Shale Bindweed
Campanula aparinoides var. aparinoides — Marsh-bellflower, Bedstraw Bellflower
Campanula aparinoides var. grandiflora — Largeflower Marsh-bellflower
Campanula flexuosa — Southern Harebell, Appalachian Bellflower
Campanula uliginosa — Largeflower Marsh-bellflower
Campe barbarea — Yellow Rocket-cress, Common Winter-cress, Yellow Rocket, Creasy
Campe stricta — Yellow Rocket-cress, Common Winter-cress, Yellow Rocket, Creasy
Campe verna — Early Winter-cress, Creasy
Camphora camphora — Camphortree
Camptosorus rhizophyllus — Walking Fern
Campulosus aromaticus — Toothache Grass, Orangegrass, Wild Ginger
Campulosus floridanus — Florida Toothache Grass, Florida orangegrass
Cannabis sativa ssp. indica — Marijuana, Hemp
Cannabis sativa ssp. sativa var. spontanea — Marijuana, Hemp
Cannabis sativa var. sativa — Marijuana, Hemp
Cannabis sativa var. spontanea — Marijuana, Hemp
Capnoides flavulum — Yellow Fumitory, Yellow Harlequin, Short-spurred Corydalis, Yellow Fumewort
Capnoides halei — Southern Corydalis
Capnoides micranthum — Slender Corydalis
Capriola dactylon — Bermuda Grass, Scutch Grass
Capsella rubella — Common Shepherd's Purse
Carara didyma — Wart-cress, Lesser Swine-cress
Cardamine arenicola — Sand Bittercress, Small-flowered Bittercress
Cardamine flagellifera — Blue Ridge Bittercress
Cardamine parviflora — Sand Bittercress, Small-flowered Bittercress
Cardamine rhomboidea — Bulbous Bittercress, Spring Cress
Carduus nutans ssp. macrolepis — Nodding Thistle, Musk Thistle
Carex abdita — Parasol Sedge
Carex albicans — White-tinged Sedge, Architectural Sedge
Carex amphibola var. amphibola — Eastern Narrowleaf Sedge
Carex amplisquama — Fibrous-rooted Sedge
Carex asa-grayi — Gray's Sedge
Carex atlantica var. atlantica — Prickly Bog Sedge
Carex bromoides var. bromoides — Common Brome Sedge, Brome-like Sedge
Carex bullata var. greenii — Greene's Sedge
Carex collinsiae — Collins' Sedge
Carex communis var. amplisquama — Fibrous-rooted Sedge
Carex complanata var. complanata — Hirsute Sedge
Carex convoluta — Rosy Sedge
Carex crinita — Long-fringed Sedge, Drooping Sedge
Carex crinita — Mitchell's Sedge
Carex crinita — Mountain Fringed Sedge, Nodding Sedge
Carex debilis var. intercursa — Allegheny Sedge
Carex flaccosperma var. flaccosperma — Meadow Sedge, Blue Wood Sedge, thinfruit sedge
Carex flaccosperma var. pigra — Lazy Sedge
Carex fraseri — Fraser's Sedge, Lily-leaf Sedge
Carex glaucescens var. androgyna — Warty Sedge
Carex glaucodea — Lazy Sedge
Carex granularis var. granularis — Limestone Meadow Sedge, Corncob Sedge
Carex granularis var. haleana — Limestone Meadow Sedge, Corncob Sedge
Carex gravida var. gravida — Heavy Sedge, Pregnant Sedge
Carex grayii — Gray's Sedge
Carex haleana — Limestone Meadow Sedge, Corncob Sedge
Carex incomperta — Prickly Bog Sedge
Carex laevi-vaginata — Smooth-sheath Sedge
Carex laxiflora var. angustifolia — Lined Sedge
Carex laxiflora var. blanda — Eastern Woodland Sedge, Charming Sedge
Carex laxiflora var. gracillima — Slender Sedge, Slender Loose-flowered Sedge
Carex laxiflora var. latifolia — White Bear Sedge
Carex laxiflora var. laxiflora — Broad Loose-flowered Sedge
Carex laxiflora var. purpurifera — Limestone Purple Sedge
Carex lucorum — Appalachian Woodland Sedge
Carex lunelliana — Heavy Sedge, Pregnant Sedge
Carex lurida var. gracilis — Bailey's Sedge
Carex magnifolia — Thicket Sedge
Carex microrhyncha — Parasol Sedge
Carex muhlenbergii var. enervis — Muhlenberg’s Sedge
Carex muhlenbergii var. muhlenbergii — Muhlenberg’s Sedge
Carex nigro-marginata — Black-edged Sedge
Carex nigro-marginata var. muhlenbergii — White-tinged Sedge, Architectural Sedge
Carex nigro-marginata var. nigro-marginata — Black-edged Sedge
Carex oxylepis var. pubescens — Sharp-scaled Sedge
Carex pedunculata ssp. pedunculata — Longstalk Sedge, Pedunculate Sedge
Carex pennsylvanica — Pennsylvania Sedge, High Meadow Sedge
Carex plana — Muhlenberg’s Sedge
Carex retroflexa var. retroflexa — Reflexed Sedge
Carex retroflexa var. texensis — Texas Sedge
Carex strictior — Tussock Sedge, Upright Sedge
Carex tenera var. tenera — Slender Sedge, Quill Sedge
Carex tetanica var. woodii — Wood's Sedge, Pretty Sedge
Carex varia — White-tinged Sedge, Architectural Sedge
Carex virescens var. swanii — Swan's Sedge
Carex vulpinoidea var. ambigua — Yellow-fruited Sedge
Carex walteriana var. brevis — Walter’s Sedge
Carex walteriana var. walteriana — Walter’s Sedge, Pocosin Sedge
Carex willdenovii — Limestone Forest Sedge
Carex willdenovii — Willdenow's Sedge
Carex willdenovii — Southern Willdenow's Sedge, Widow Sedge
Carex willdenowii var. megarrhyncha — Limestone Forest Sedge
Carex willdenowii var. megarrhyncha — Southern Willdenow's Sedge, Widow Sedge
Carphephorus odoratissimus var. odoratissimus — Vanilla-leaf, Deer's-tongue, Pineland Purple
Cartrema americana — Devilwood, Wild Olive
Carya alba — Mockernut Hickory, White Hickory
Carya glabra var. glabra — Pignut Hickory
Carya glabra var. odorata — Red Hickory, Sweet Pignut Hickory
Carya ovalis var. hirsuta — Pignut Hickory
Carya ovata var. australis — Carolina Shagbark Hickory, Southern Shagbark Hickory, Carolina Hickory
Carya ovata var. fraxinifolia — Common Shagbark Hickory
Carya ovata var. nuttallii — Common Shagbark Hickory
Carya ovata var. ovata — Common Shagbark Hickory
Cassia fasciculata var. fasciculata — Common Partridge-pea, Showy Partridge Pea
Cassia nictitans var. hebecarpa — Sensitive Partridge-pea, Common Sensitive-plant
Cassia nictitans var. nictitans — Sensitive Partridge-pea, Common Sensitive-plant
Castalia elegans — Tropical Blue Water-lily
Castalia flava — Yellow Water-lily, Banana Water-lily
Castalia lekophylla — Fragrant White Water-lily, American Water-lily, Sweet Water-lily, White Water-lily
Castalia minor — Fragrant White Water-lily, American Water-lily, Sweet Water-lily, White Water-lily
Castalia odorata — Fragrant White Water-lily, American Water-lily, Sweet Water-lily, White Water-lily
Castanea alnifolia — Common Chinquapin, Chinkapin, Allegheny Chinquapin
Castanea alnifolia var. alnifolia — Common Chinquapin, Chinkapin, Allegheny Chinquapin
Castanea alnifolia var. floridana — Common Chinquapin, Chinkapin, Allegheny Chinquapin
Castanea ashei — Common Chinquapin, Chinkapin, Allegheny Chinquapin
Castanea floridana — Common Chinquapin, Chinkapin, Allegheny Chinquapin
Castanea pumila var. ashei — Common Chinquapin, Chinkapin, Allegheny Chinquapin
Catalpa catalpa — Southern Catalpa, Fishbait Tree, Cigar Tree
Cathartolinum floridanum — Florida Yellow Flax, Savanna Flax
Cathartolinum floridanum — Yellow-fruited Yellow Flax, Florida yellow flax
Cathartolinum intercursum — Bicknell's Yellow Flax, Sandplain Flax
Cathartolinum macrosepalum — Florida Yellow Flax, Savanna Flax
Cathartolinum medium — Texas Yellow Flax, Stiff Yellow Flax, Spreading Flax, Texas Flax
Cathartolinum striatum — Ridgestem Yellow Flax, Ridged Yellow Flax
Cathartolinum virginianum — Virginia Yellow Flax, Woodland Flax
Caulophyllum thalictroides var. giganteum — Northern Blue Cohosh, Giant Blue Cohosh
Cayaponia grandifolia — Five-lobed Cucumber, Melon-leaf Cucumber
Ceanothus intermedius — Southeastern New Jersey Tea, Southeastern Ceanothus
Ceanothus ovatus — Prairie Redroot, Prairie Ceanothus
Ceanothus pubescens — Prairie Redroot, Prairie Ceanothus
Celastrus orbiculata — Oriental Bittersweet
Celtis georgiana — Georgia Hackberry, Dwarf Hackberry
Celtis laevigata var. laevigata — Sugarberry, Southern Hackberry, Smooth Hackberry, Lowland Hackberry
Celtis laevigata var. smallii — Small's Hackberry
Celtis laevigata var. texana — Sugarberry, Southern Hackberry, Smooth Hackberry, Lowland Hackberry
Celtis mississippiensis — Sugarberry, Southern Hackberry, Smooth Hackberry, Lowland Hackberry
Celtis tenuifolia — Georgia Hackberry, Dwarf Hackberry
Celtis tenuifolia var. georgiana — Georgia Hackberry, Dwarf Hackberry
Cenchrus advena — Tender Fountaingrass
Cenchrus alopecuroides — Chinese Fountaingrass, Black Fountaingrass, Foxtail Fountaingrass
Cenchrus compressus — Chinese Fountaingrass, Black Fountaingrass, Foxtail Fountaingrass
Cenchrus pauciflorus — Northern Sandspur, Common Sandspur, Longbristle Sandbur
Cenchrus spicatus — Pearl Millet
Cenchrus viridis — Slimbristle Sandspur
Centaurea biebersteinii — Spotted Knapweed, Bushy Knapweed
Centaurea debeauxii ssp. thuillieri — Meadow Knapweed
Centaurea dubia ssp. vochinensis — Tyrol Knapweed, Short-fringed Knapweed
Centaurea monctonii — Meadow Knapweed
Centaurea repens — Russian Knapweed
Centaurea stoebe ssp. australis — Spotted Knapweed, Bushy Knapweed
Centaurea transalpina — Tyrol Knapweed, Short-fringed Knapweed
Centella repanda — Centella, Erect Coinleaf, False Pennywort
Cerastium brachypetalum ssp. brachypetalum — Gray Mouse-ear Chickweed, Gray Chickweed
Cerastium longepedunculatum — Nodding Mouse-ear Chickweed, Nodding Chickweed
Cerastium viscosum — Sticky Mouse-ear, Sticky Chickweed, Sticky Mouse-ear Chickweed
Cerastium vulgatum — Common Mouse-ear Chickweed
Cerasus avium — Mazzard Cherry, Sweet Cherry, Bing Cherry
Cerasus mahaleb — Mahaleb Cherry, Perfumed Cherry, St. Lucie Cherry, Rock Cherry
Cerothamnus carolinensis — Pocossin Bayberry, Evergreen Bayberry, Swamp Candleberry, Southern Bayberry
Cerothamnus carolinensis — Northern Bayberry
Cerothamnus ceriferus — Common Wax-myrtle, Southern Bayberry
Cerothamnus inodorus — Scentless Bayberry, Odorless Bayberry
Cerothamnus pumilus — Dwarf Wax-myrtle, Dwarf Bayberry
Chaerophyllum dasycarpum — Southern Chervil, Wild Chervil, Hairyfruit Chervil
Chaerophyllum floridanum — Southern Chervil, Wild Chervil, Hairyfruit Chervil
Chaerophyllum procumbens — Common Spreading Chervil
Chaerophyllum tainturieri var. dasycarpum — Southern Chervil, Wild Chervil, Hairyfruit Chervil
Chaerophyllum tainturieri var. tainturieri — Southern Chervil, Wild Chervil, Hairyfruit Chervil
Chaerophyllum teinturièri — Southern Chervil, Wild Chervil, Hairyfruit Chervil
Chaetochloa corrugata — Coastal Plain Bristlegrass
Chaetochloa geniculata — Perennial Foxtail-grass, Knotroot Bristlegrass, Marsh Foxtail, Knotroot Foxtail
Chaetochloa italica — Yellow Foxtail, Italian Millet, Foxtail Millet, Italian Foxtail
Chaetochloa lutescens — Yellow Foxtail
Chaetochloa lutescens — Pearl Millet
Chaetochloa magna — Saltmarsh Foxtail-grass, Giant Foxtail-grass, Giant Bristlegrass
Chaetochloa verticillata — Hooked Bristlegrass
Chaetochloa viridis — Green Foxtail, Green Bristlegrass
Chamaecrista fasciculata — Common Partridge-pea, Showy Partridge Pea
Chamaecrista multipinnata — Sensitive Partridge-pea, Common Sensitive-plant
Chamaecrista procumbens — Sensitive Partridge-pea, Common Sensitive-plant
Chamaecrista robusta — Common Partridge-pea, Showy Partridge Pea
Chamaelirium obovale — Fairywand, Devil's Bit
Chamaenerion angustifolium — Great Willowherb, Fireweed
Chamaenerion danielsii — Great Willowherb, Fireweed
Chamaesyce ingallsii — Southern Seaside Spurge, Dixie Sandmat
Chamerion platyphyllum — Great Willowherb, Fireweed
Chasmanthium laxum var. laxum — Slender Woodoats, Slender Spikegrass
Chasmanthium laxum var. sessiliflorum — Longleaf Woodoats, Longleaf Spikegrass, Upland Oats
Cheilanthes vestita — Hairy Lipfern
Cheirinia cheiranthoides — Wormseed Mustard, Wormseed Wallflower
Chelone chlorantha — White Turtlehead
Chelone glabra var. elongata — White Turtlehead
Chelone glabra var. ochroleuca — White Turtlehead
Chelone lyoni — Mountain Turtlehead, Pink Turtlehead, Appalachian Turtlehead
Chelone montana var. elatior — White Turtlehead
Chelone montana var. montana — White Turtlehead
Chenopodium ambrosioides var. ambrosioides — Mexican-tea, Epazote
Chenopodium ambrosioides var. ambrosioides — Wormseed, Epazote
Chenopodium ambrosioides var. anthelminticum — Wormseed, Epazote
Chimaphila corymbosa — Prince's-pine
Chimaphila umbellata ssp. umbellata — Prince's-pine
Chiogenes hispidula — Creeping Snowberry, Moxie
Chionanthus virginica — Fringetree, Grancy Graybeard, Old Man's Beard, Grandsir-graybeard
Chondrophora virgata — Nuttall's Rayless-goldenrod, Glade Rayless-goldenrod, West Gulf Coastal Plain Rayless-goldenrod
Christella normalis — Kunth's Maiden-fern, Southern Shield-fern, Southern Woodfern
Christella ovata var. ovata — Ovate Maiden Fern, ovate marsh fern
Chrosperma muscaetoxicum — Fly-poison
Chrysanthemum balsamita — Mint-geranium, Costmary, Sweetmary
Chrysopsis arenicola — Woolly Goldenaster, Cottonleaf Goldenaster, Gossamer Goldenaster, Cottony Goldenaster
Chrysopsis camporum — Nashville Camphorweed, Lemon-yellow Goldenaster, Lemon-yellow False Goldenaster
Chrysopsis camporum var. glandulissima — Nashville Camphorweed, Lemon-yellow Goldenaster, Lemon-yellow False Goldenaster
Chrysopsis decumbens — Woolly Goldenaster, Cottonleaf Goldenaster, Gossamer Goldenaster, Cottony Goldenaster
Chrysopsis graminifolia — Common Silkgrass, Grassleaf Goldenaster
Chrysopsis graminifolia — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster
Chrysopsis graminifolia var. aspera — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster
Chrysopsis graminifolia var. aspera — Pineland Silkgrass, Sticky Goldenaster, Grassleaf Goldenaster
Chrysopsis graminifolia var. graminifolia — Narrowleaf Silkgrass, Grassleaf Goldenaster
Chrysopsis graminifolia var. latifolia — Common Silkgrass, Grassleaf Goldenaster
Chrysopsis graminifolia var. microcephala — Smallhead Silkgrass, Grassleaf Goldenaster
Chrysopsis graminifolia var. microcephala — Narrowleaf Silkgrass, Grassleaf Goldenaster
Chrysopsis longii — Woolly Goldenaster, Cottonleaf Goldenaster, Gossamer Goldenaster, Cottony Goldenaster
Chrysopsis oligantha — Narrowleaf Goldenaster, Few-flowered Goldenaster, Bog Goldenaster
Chrysopsis pinifolia — Sandhill Goldenaster, Taylor County Goldenaster, Taylor County Silkgrass
Chrysopsis ruthii — Ruth's Goldenaster
Chrysopsis villosa var. camporum — Nashville Camphorweed, Lemon-yellow Goldenaster, Lemon-yellow False Goldenaster
Ciclospermum ammi — Marsh-parsley
Ciclospermum leptophyllum — Marsh-parsley
Cicuta curtissii — Southern Water-hemlock
Cicuta maculata var. curtissii — Southern Water-hemlock
Cinna arundinacea var. arundinacea — Common Woodreed, Stout Woodreed, Sweet Woodreed
Cinna arundinacea var. inexpansa — Common Woodreed, Stout Woodreed, Sweet Woodreed
Circaea alpina var. alpina — Alpine Enchanter's Nightshade, Smaller Enchanter's Nightshade
Circaea latifolia — Canada Enchanter's Nightshade
Circaea quadrisulcata var. canadensis — Canada Enchanter's Nightshade
Cirsium flaccidum — Carolina Thistle, Spring Thistle, Soft Thistle, Prairie Thistle
Cirsium horridulum — Common Yellow Thistle, Purple Thistle, Bristle Thistle, Horrid Thistle
Cirsium lanceolatum — Bull Thistle
Cirsium odoratum — Pasture Thistle
Cirsium pumilum var. pumilum — Pasture Thistle
Cirsium revolutum — Virginia Thistle
Cissus incisa — Marine-ivy, Sorrel-vine
Citrullus citrullus — Watermelon
Citrullus lanatus ssp. lanatus — Watermelon
Citrus aurantium — Sour Orange, Marmalade Orange, Sweet Orange, Bitter Orange
Claytonia caroliniana var. lewisii — Carolina Spring-beauty
Claytonia media — Spring-beauty
Claytonia virginica var. acutiflora — Spring-beauty
Cleistes divaricata var. bifaria — Appalachian Dragonhead Pogonia, Appalachian Small Spreading Pogonia, Smaller Rosebud Orchid, Upland Spreading Pogonia
Cleistes divaricata var. bifaria — Small Dragonhead Pogonia, Coastal Plain Small Spreading Pogonia
Cleistes divaricata var. divaricata — Large Dragonhead Pogonia, Rosebud Orchid, Large Spreading Pogonia
Clematis micrantha — Coastal Virgin's Bower, Satin-curls, Climbing Clematis
Clematis paniculata — Sweet Autumn Clematis, Yam-leaved Clematis, Sweet Autumn Virgin's Bower, Japanese Virgin's-bower
Clematis warei — Ware's Leatherflower, Coosa Leatherflower
Cleome spinosa — Cleome, Spiderflower, Pinkqueen
Clerodendrum trichotomum — Harlequin Glorybower
Clethra alnifolia var. pubescens — Downy Sweet-pepperbush, Downy White-alder
Clinopodium nepeta — Lesser Calamint, Basil-thyme
Clintonia alleghaniensis — Speckled Wood-lily, White Clintonia
Cochranea anchusaefolia — Clasping Heliotrope, Violet Heliotrope
Coeloglossum bracteatum — Longbract Frog Orchid, Long-bracted Orchid
Coeloglossum viride — Longbract Frog Orchid, Long-bracted Orchid
Coeloglossum viride var. virescens — Longbract Frog Orchid, Long-bracted Orchid
Coleataenia anceps — Beaked Panicum, Beaked Panicgrass
Coleataenia anceps — Small Beaked Panicum, Small Beaked Panicgrass
Coleataenia condensa — Dense Panicgrass
Coleataenia longifolia ssp. elongata — Tall Flat Panicgrass, Stalked Panicgrass
Coleataenia rigidula — Redtop Panicgrass
Coleataenia stipitata — Tall Flat Panicgrass, Stalked Panicgrass
Coleosanthus cordifolius — Heartleaf Brickellia, Flyr's False-boneset
Colocasia antiquorum — Elephant's-ear, Taro, Dasheen
Colocasia esculenta var. antiquorum — Elephant's-ear, Taro, Dasheen
Colocasia esculenta var. aquatilis — Elephant's-ear, Taro, Dasheen
Colocasia esculenta var. esculenta — Elephant's-ear, Taro, Dasheen
Colocasia esculenta var. nymphiifolia — Elephant's-ear, Taro, Dasheen
Colocasia gigantea — Giant Elephant's-ear, Indian Taro
Comandra richardsiana — Eastern Bastard-toadflax, Eastern Comandra, Star-toadflax
Commelina angustifolia — Sand Dayflower, Pineland Dayflower, Slender Dayflower
Commelina communis var. communis — Asiatic Dayflower, Common Dayflower
Commelina communis var. ludens — Asiatic Dayflower, Common Dayflower
Commelina crispa — Sand Dayflower, Pineland Dayflower, Slender Dayflower
Commelina longicaulis — Spreading Dayflower, Creeping Dayflower
Conradina montana — Cumberland Rosemary
Conradina puberula — Gray Rosemary, Conradina
Consolida ambigua — Rocket Larkspur, Garden Larkspur
Convallaria montana — American Lily-of-the-valley
Convolvulus catesbeianus — Catesby's Bindweed, Catesby's False Bindweed
Convolvulus purshianus — Shale Bindweed
Convolvulus repens — Northeastern Bindweed
Convolvulus sepium var. americanus — Northeastern Bindweed
Convolvulus sepium var. fraterniflorus — Twin-flowered Bindweed, Twoflower Bindweed, Shortstalk False Bindweed
Convolvulus sepium var. repens — Northeastern Bindweed
Convolvulus sepium var. sepium — Appalachian Bindweed
Convolvulus sepium var. sepium — Coastal Plain Bindweed
Conyza canadensis — Common Horseweed
Conyza canadensis — Southern Horseweed
Conyza sumatrensis — Tropical Horseweed, Sumatran Fleabane, Guernsey Fleabane
Coptis groenlandica — Goldthread, Goldenroot, Threeleaf Goldthread
Coptis trifolia ssp. groenlandica — Goldthread, Goldenroot, Threeleaf Goldthread
Coptis trifolia var. groenlandica — Goldthread, Goldenroot, Threeleaf Goldthread
Corallorhiza odontorhiza var. odontorhiza — Autumn Coralroot
Corallorhiza odontorhiza var. pringlei — Autumn Coralroot
Corallorrhiza maculata — Eastern Spotted Coralroot, Summer Coralroot
Corallorrhiza micrantha — Autumn Coralroot
Corallorrhiza odontorhiza — Autumn Coralroot
Corallorrhiza wisteriana — Spring Coralroot, Wister's Coralroot
Corculum leptopus — Love-chain, Queen's-jewels, Confederate-vine, Corallita
Coreopsis cardaminefolia — Plains Coreopsis, Calliopsis, Garden Coreopsis, Golden Tickseed
Coreopsis crassifolia — Lanceleaf Coreopsis, Longstalk Coreopsis, Lanceleaf Tickseed
Coreopsis delphinifolia — Larkspur-leaf Tickseed, Larkspur Coreopsis
Coreopsis gladiata var. linifolia — Savanna Coreopsis, Savanna Tickseed
Coreopsis oniscicarpa + — Savanna Coreopsis, Savanna Tickseed
Coreopsis sp. [Glassy Mtn HP] — a puzzling Coreopsis [Glassy Mtn HP]
Coriflora albicoma — White-haired Leatherflower
Coriflora crispa — Southern Leatherflower, Marsh Clematis, Swamp Leatherflower, Blue Jasmine
Coriflora fremontii — Fremont's Leatherflower
Coriflora glaucophylla — White-leaved Leatherflower
Coriflora ochroleuca — Curlyheads
Coriflora reticulata — Vase-vine, Netleaf Leatherflower
Coriflora versicolor — Pale Leatherflower
Coriflora viticaulis — Millboro Leatherflower
Cornus alba ssp. stolonifera — Red Osier Dogwood, Bailey's Dogwood
Cornus alba var. alba — Red Osier Dogwood, Bailey's Dogwood
Cornus amomum ssp. amomum — Silky Dogwood, Bush Dogwood, Silky Cornel
Cornus foemina ssp. microcarpa — Eastern Roughleaf Dogwood
Cornus foemina ssp. racemosa — Northern Swamp Dogwood, Gray Dogwood
Cornus priceae — Midwestern Roughleaf Dogwood
Cornus sericea — Red Osier Dogwood, Bailey's Dogwood
Cornus stolonifera — Red Osier Dogwood, Bailey's Dogwood
Corydalis micrantha var. australis — Southern Corydalis
Corydalis micrantha var. micrantha — Slender Corydalis
Corylus cornuta ssp. cornuta — Beaked Hazelnut
Cotinus americanus — American Smoketree
Cotoneaster pyracantha — Scarlet Firethorn, Pyracantha
Cracca ambigua — Florida Hoarypea, Florida Goat’s-rue
Cracca hispidula — Sprawling Hoary-pea
Cracca spicata — Spiked Hoary-pea, Brown-hair Tephrosia, Tawny Goat's Rue
Cracca virginiana — Virginia Goat's Rue, Devil's Shoestrings
Crataegus ×palmeri — Palmer's Hawthorn
Crataegus ×vailiae [calpodendron × uniflora] — Vail’s Hawthorn
Crataegus abdita — Bristol Hawthorn
Crataegus abstrusa — Broadleaved Beautiful Hawthorn
Crataegus abstrusa — Beautiful Hawthorn
Crataegus adunca — Alabama Hawthorn
Crataegus adunca — Ravenel's Hawthorn
Crataegus aff. pinetorum — pineland hawthorn
Crataegus agrestina — Allegheny Hawthorn
Crataegus alabamensis var. florens — Mississippi Hawthorn
Crataegus alabamensis var. ravenelii — Ravenel's Hawthorn
Crataegus alabamensis var. teres — Smooth Alabama Hawthorn, Montgomery Hawthorn
Crataegus albicans — Downy Hawthorn
Crataegus algens — Cockspur Hawthorn
Crataegus allagheniensis — Allegheny Hawthorn
Crataegus alleghaniensis var. extraria — Valley Head Hawthorn
Crataegus allegheniensis var. allegheniensis — Allegheny Hawthorn
Crataegus allegheniensis var. ignava — Valley Head Hawthorn
Crataegus allegheniensis var. mira — Allegheny Hawthorn
Crataegus amica — Sandhill Hawthorn
Crataegus amnicola — Hillside Hawthorn
Crataegus ancisa — Beautiful Hawthorn
Crataegus anisophylla — Jacksonville Hawthorn
Crataegus annosa — Bristol Hawthorn
Crataegus apiifolia — Parsley Hawthorn, Parsley Haw
Crataegus arborea — Cockspur Hawthorn
Crataegus arcana — Frosted Hawthorn
Crataegus arguta — Sandhill Hawthorn
Crataegus arnoldiana — Northern Downy Hawthorn, Quebec Hawthorn
Crataegus assimilis — Sargent's Hawthorn
Crataegus attrita — Mississippi Hawthorn
Crataegus attrita — Alabama Hawthorn
Crataegus austrina — Beautiful Hawthorn
Crataegus austromontana — Threeflower Hawthorn
Crataegus basilica — Schuette's Hawthorn
Crataegus biltmoreana — Biltmore Hawthorn
Crataegus boyntoni — Boynton's Hawthorn
Crataegus boyntonii — Boynton's Hawthorn
Crataegus calpodendron var. calpodendron — Pear Hawthorn
Crataegus calpodendron var. globosa — Pear Hawthorn
Crataegus calpodendron var. microcarpa — Pear Hawthorn
Crataegus canadensis — Northern Downy Hawthorn, Quebec Hawthorn
Crataegus canbyi — Cockspur Hawthorn
Crataegus chapmanii — Pear Hawthorn
Crataegus chrysocarpa var. dodgei — Dodge Hawthorn
Crataegus cibaria — Downy Hawthorn
Crataegus cirrata — Jacksonville Hawthorn
Crataegus clara — Ravenel's Hawthorn
Crataegus collina var. collina — Hillside Hawthorn
Crataegus colonica — Colony Hawthorn, Bluffton Hawthorn
Crataegus communis — Straw-fruited Hawthorn, Straw-fruited Entangled Hawthorn
Crataegus compitalis — Ravenel's Hawthorn
Crataegus concinna — Cutleaf Beautiful Hawthorn
Crataegus concinna — Beautiful Hawthorn
Crataegus confusa — Biltmore Hawthorn
Crataegus consanguinea — Sister Hawthorn
Crataegus constans — Lake Ella Hawthorn
Crataegus contrita — Beautiful Hawthorn
Crataegus crocea — Ocala Hawthorn
Crataegus cullasagensis — Allegheny Hawthorn
Crataegus curva — Ocala Hawthorn
Crataegus dodgei var. dodgei — Dodge Hawthorn
Crataegus dodgei var. flavida — Dodge Hawthorn
Crataegus dolosa — Lake Ella Hawthorn
Crataegus egens — Sand Barren Hawthorn
Crataegus eximia — Sargent's Hawthorn
Crataegus extraria — Valley Head Hawthorn
Crataegus flavida — Dodge Hawthorn
Crataegus floridana — Jacksonville Hawthorn
Crataegus fortis — Mississippi Hawthorn
Crataegus fortis — Alabama Hawthorn
Crataegus fortunata — Yellow-fruited Entangled Hawthorn
Crataegus frugalis — Ocala Hawthorn
Crataegus frugiferans — Allegheny Hawthorn
Crataegus galbana — Bristol Hawthorn
Crataegus gattingeri — Gattinger's Hawthorn
Crataegus gattingeri — Frosted Hawthorn
Crataegus gattingeri var. gattingeri — Gattinger's Hawthorn
Crataegus gattingeri var. rigida — Gattinger's Hawthorn
Crataegus geniculata — Dwarf Hawthorn, Restful Hawthorn, Neat Hawthorn
Crataegus geniculata — Woolly Dwarf Hawthorn, Pexa Hawthorn
Crataegus georgiana — Frosted Hawthorn
Crataegus georgiana — Gattinger's Hawthorn
Crataegus germanica — European Medlar
Crataegus gilva — Sargent's Hawthorn
Crataegus gravida — Downy Hawthorn
Crataegus gregalis — Oneflower Hawthorn, Dwarf Haw
Crataegus illudens — Sandhill Hawthorn
Crataegus illustris — Broadleaved Beautiful Hawthorn
Crataegus illustris — Beautiful Hawthorn
Crataegus impar — Valley Head Hawthorn
Crataegus incana — Ocala Hawthorn
Crataegus ingens — Hillside Hawthorn
Crataegus inops — Sandhill Hawthorn
Crataegus insidiosa — Mississippi Hawthorn
Crataegus interior — Green Hawthorn, Greenhaw
Crataegus invicta — Dwarf Hawthorn, Restful Hawthorn, Neat Hawthorn
Crataegus invicta — Woolly Dwarf Hawthorn, Pexa Hawthorn
Crataegus iracunda var. brumalis — Poplar Hawthorn
Crataegus iracunda var. silvicola — Forest Hawthorn, Stolon-bearing Hawthorn
Crataegus lassa — Sandhill Hawthorn
Crataegus lenis — Beautiful Hawthorn
Crataegus leonensis — Sister Hawthorn
Crataegus macilenta — Beautiful Hawthorn
Crataegus macra — Cockspur Hawthorn
Crataegus macrosperma var. macrosperma — Eastern Hawthorn
Crataegus macrosperma var. roanensis — Eastern Hawthorn
Crataegus maloides — Rufous Mayhaw, Florida Mayhaw
Crataegus margaretta — Margaret's Hawthorn, Fireberry Hawthorn
Crataegus margaretta var. margaretta — Margaret's Hawthorn, Fireberry Hawthorn
Crataegus margarettae — Margaret's Hawthorn, Fireberry Hawthorn
Crataegus margarettae var. margarettae — Margaret's Hawthorn, Fireberry Hawthorn
Crataegus margarettiae — Margaret's Hawthorn, Fireberry Hawthorn
Crataegus margarettiae var. margarettiae — Margaret's Hawthorn, Fireberry Hawthorn
Crataegus mercerencis — Dodge Hawthorn
Crataegus meridiana — Sandhill Hawthorn
Crataegus meridionalis — Downy Hawthorn
Crataegus michauxii — Sandhill Hawthorn
Crataegus mohrii — Mohr's Hawthorn
Crataegus monogyna var. monogyna — English Hawthorn, Singleseed Hawthorn, One-seeded Hawthorn
Crataegus munda var. pexa — Woolly Dwarf Hawthorn, Pexa Hawthorn
Crataegus neobushii — Bush Hawthorn
Crataegus neofluvialis — New River Hawthorn
Crataegus opima — Broadleaved Beautiful Hawthorn
Crataegus orbiculata — Sister Hawthorn
Crataegus oreophila — Balsam Mountain Hawthorn
Crataegus padifolia var. padifolia — Yellow-fruited Entangled Hawthorn
Crataegus pedicellata var. ellwangeriana — Pennsylvania Hawthorn
Crataegus penita — Green Hawthorn, Greenhaw
Crataegus pentaneura — Oneflower Hawthorn, Dwarf Haw
Crataegus populifolia — Washington Hawthorn, Virginia Hawthorn
Crataegus populnea — Forest Hawthorn, Stolon-bearing Hawthorn
Crataegus prismatica — Pale-fruited Hawthorn, Birmingham Hawthorn, Pale Hawthorn
Crataegus prona — Poplar Hawthorn
Crataegus pulcherrima var. incilis — Cutleaf Beautiful Hawthorn
Crataegus pulla — Ravenel's Hawthorn
Crataegus pyracantha — Scarlet Firethorn, Pyracantha
Crataegus pyracanthoides — Narrowleaf Cockspur Hawthorn
Crataegus pyracanthoides var. arborea — Narrowleaf Cockspur Hawthorn
Crataegus quaesita — Florida Hawthorn, Gulf Hawthorn
Crataegus raleighensis — Oneflower Hawthorn, Dwarf Haw
Crataegus recurva — Ocala Hawthorn
Crataegus resima — Florida Hawthorn, Gulf Hawthorn
Crataegus reverchonii — Mohr's Hawthorn
Crataegus reverchonii var. mohrii — Mohr's Hawthorn
Crataegus reverchonii var. palmeri — Palmer's Hawthorn
Crataegus rhodella — Britton's Hawthorn
Crataegus rigens — Allegheny Hawthorn
Crataegus roanensis — Eastern Hawthorn
Crataegus robur — Beautiful Hawthorn
Crataegus rubella — Little Red Hawthorn
Crataegus rubella — Straw-fruited Hawthorn, Straw-fruited Entangled Hawthorn
Crataegus rugosa — Frosted Hawthorn
Crataegus rustica — Frosted Hawthorn
Crataegus segnis — Bristol Hawthorn
Crataegus silvicola — Forest Hawthorn, Stolon-bearing Hawthorn
Crataegus sinistra — Engelmann's Hawthorn
Crataegus sodalis — Bristol Hawthorn
Crataegus sodalis — Lake Ella Hawthorn
Crataegus sororia var. sororia — Sister Hawthorn
Crataegus sororia var. visenda — Bristol Hawthorn
Crataegus stolonifera — Poplar Hawthorn
Crataegus stonei — Biltmore Hawthorn
Crataegus straminea — Straw-fruited Hawthorn, Straw-fruited Entangled Hawthorn
Crataegus tecta — Beautiful Hawthorn
Crataegus texana var. dasyphylla — Texas Downy Hawthorn
Crataegus texana var. texana — Texas Downy Hawthorn
Crataegus torva — Engelmann's Hawthorn
Crataegus tristis — Bristol Hawthorn
Crataegus uniflora var. brittonii — Britton's Hawthorn
Crataegus uniflora var. uniflora — Oneflower Hawthorn, Dwarf Haw
Crataegus venusta var. pallens — Pale-fruited Hawthorn, Birmingham Hawthorn, Pale Hawthorn
Crataegus venusta var. venusta — Red Mountain Hawthorn
Crataegus versuta — Jacksonville Hawthorn
Crataegus viaria — Jacksonville Hawthorn
Crataegus vicinalis — Frosted Hawthorn
Crataegus villaris — Ocala Hawthorn
Crataegus villicarpa — Biltmore Hawthorn
Crataegus viridis + — Green Hawthorn, Greenhaw
Crataegus viridis var. lanceolata — Green Hawthorn, Greenhaw
Crataegus viridis var. ovata — Green Hawthorn, Greenhaw
Crataegus viridis var. velutina — Green Hawthorn, Greenhaw
Crataegus vulsa — Green Hawthorn, Greenhaw
Crataegus yadkinensis — Dwarf Hawthorn, Restful Hawthorn, Neat Hawthorn
Crataegus yadkinensis — Woolly Dwarf Hawthorn, Pexa Hawthorn
Crataegus youngii — Washington Hawthorn, Virginia Hawthorn
Cristella quadrangularis — Hairy Maiden Fern
Crookea microsepala — Flatwoods St. Johnswort
Crotalaria retzii — Showy Rattlebox
Crotalaria striata — Smooth Rattlebox
Croton alabamensis — Alabama Croton
Croton glandulosus var. angustifolius — Doveweed, Tooth-leaved Croton, Sand Croton, Northern Croton
Croton glandulosus var. simpsonii — Doveweed, Tooth-leaved Croton, Sand Croton, Northern Croton
Croton michauxii var. elliptica — Outcrop Rushfoil, Willdenow's Croton, Glade Rushfoil, Broadleaf Rushfoil
Croton michauxii var. michauxii — Sand Rushfoil, Michaux's Croton, Narrowleaf Rushfoil
Cucumis melo ssp. melo var. cantalupo — Canteloupe, Muskmelon
Cucumis melo var. melo — Canteloupe, Muskmelon
Cucumis sativus var. sativus — Cucumber
Cucurbita melopepo ssp. melopepo — Crookneck Squash, Straightneck Squash, Acorn Squash, Spaghetti Squash
Cucurbita melopepo ssp. melopepo var. melopepo — Crookneck Squash, Straightneck Squash, Acorn Squash, Spaghetti Squash
Cucurbita pepo ssp. pepo — Pumpkin, Zucchini, Ornamental Gourd, Vegetable Marrow
Cuphea petiolata — Clammy Cuphea, Blue Waxweed
Cupressus ×leylandii — Leyland Cypress
Cupressus arizonica — Arizona Cypress
Cuscuta compacta var. efimbriata — Compact Dodder
Cuscuta glandulosa — Glandular Dodder
Cuscuta gronovii var. calyptrata — Common Dodder, Swamp Dodder
Cuscuta gronovii var. gronovii — Common Dodder, Swamp Dodder
Cuscuta gronovii var. latiflora — Common Dodder, Swamp Dodder
Cuscuta indecora var. attenuata — Bigseed Alfalfa Dodder, Pretty Dodder
Cuscuta indecora var. indecora — Bigseed Alfalfa Dodder, Pretty Dodder
Cuscuta indecora var. longisepala — Bigseed Alfalfa Dodder, Pretty Dodder
Cuscuta indecora var. neuropetala — Bigseed Alfalfa Dodder, Pretty Dodder
Cuscuta japonica var. formosana — Japanese Dodder
Cuscuta pentagona var. pubescens — Five-angled Dodder
Cyanococcus amoenus — Rabbiteye Blueberry, Swamp Blueberry, Rabbitberry, Smallflower Blueberry
Cyanococcus atrococcus — Hairy Highbush Blueberry, Black Highbush Blueberry
Cyanococcus corymbosus — Smooth Highbush Blueberry, Northern Highbush Blueberry
Cyanococcus elliottii — Mayberry, Elliott's Blueberry
Cyanococcus fuscatus — Hairy Highbush Blueberry, Black Highbush Blueberry
Cyanococcus hirsutus — Woollyberry, Hairy Blueberry, Low-lowbush Blueberry
Cyanococcus liparis — Blue Ridge Blueberry
Cyanococcus myrsinites var. glaucum — Darrow's Blueberry
Cyanococcus myrsinites var. myrsinites — Southern Evergreen Blueberry
Cyanococcus pallidus — Hillside Blueberry, Dryland Blueberry, Upland Low Blueberry, Lowbush Blueberry
Cyanococcus simulatus — Mountain Highbush Blueberry
Cyanococcus subcordatus — Blue Ridge Blueberry
Cyanococcus tenellus — Southern Dwarf Blueberry, Small Cluster Blueberry, Small Cluster Blueberry, Narrowleaf Blueberry
Cyanococcus vacillans — Hillside Blueberry, Dryland Blueberry, Upland Low Blueberry, Lowbush Blueberry
Cyanococcus virgatus — Southern Highbush Blueberry, Swamp Highbush Blueberry
Cyclodon alabamense — Alabama Milkvine, Alabama Spinypod
Cyclosorus dentatus — Downy Maiden-fern, Soft Fern, Downy Shield-fern
Cyclosorus hispidulus — Hairy Maiden Fern
Cyclosorus kunthii — Kunth's Maiden-fern, Southern Shield-fern, Southern Woodfern
Cyclosorus ovatus var. ovatus — Ovate Maiden Fern, ovate marsh fern
Cynanchum nigrum — Black Swallow-wort, Dog-Strangling Vine
Cynoctonum angustifolium — Narrow-leaved Miterwort
Cynodon dactylon var. affinis — Bermuda Grass, Scutch Grass
Cynodon dactylon var. dactylon — Bermuda Grass, Scutch Grass
Cynoglossum virginicum — Southern Wild Comfrey, Southern Hound’s-tongue
Cynoxylon floridum — Flowering Dogwood
Cynoxylon kousa — Kousa Dogwood
Cynthia dandelion — Colonial Dwarf-dandelion, Potato Dwarf-dandelion
Cynthia montana — Mountain Dwarf-dandelion, Mountain Cynthia
Cynthia virginica — Orange Dwarf-dandelion, Two-flower Dwarf-dandelion, Two-flower Cynthia, Twin-flowered Cynthia
Cyperus esculentus var. sativus — Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond
Cyperus ferax — Fragrant Flatsedge
Cyperus ferruginescens — Fragrant Flatsedge
Cyperus halei — Redroot Flatsedge
Cyperus inflexus — Granite Flatsedge
Cyperus inflexus — Awned Flatsedge, Bearded Flatsedge
Cyperus longispicatus — Fragrant Flatsedge
Cyperus lutescens — Yellow Nutsedge, Yellow Nutgrass, Wild Chufa, Earth-almond
Cyperus multiflorus — Baldwin's Flatsedge
Cyperus odoratus var. engelmannii — Slender Sand Flatsedge, Engelmann's Flatsedge
Cyperus plankii — Baldwin's Flatsedge
Cyperus praelongatus — False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge
Cyperus retrofractus var. dipsaciformis — Rough Flatsedge
Cyperus retrofractus var. retrofractus — Starburst Flatsedge, Plukenet’s Flatsedge, Plukenet’s Sedge
Cyperus retrorsus var. robustus — Baldwin's Flatsedge
Cyperus speciosus — Fragrant Flatsedge
Cyperus torreyi — Pineland Flatsedge, Pine-barren Flatsedge
Cypripedium calceolus var. parviflorum — Small Yellow Lady's Slipper
Cypripedium parviflorum — Small Yellow Lady's Slipper
Cypripedium pubescens — Large Yellow Lady's Slipper
Cypripedium pubescens — Kentucky Yellow Lady's Slipper
Cyrtomium fortunei var. fortunei — Fortune's Holly-fern, Fortune's Net-veined Holly Fern
Cystopteris ×tennesseensis — Tennessee Bladder Fern
Cystopteris fragilis var. fragilis — Fragile Fern, Brittle Fern, Brittle Bladder Fern
Cystopteris fragilis var. mackayi — Mackay's Bladder Fern, Mackay's Fragile Fern, Upland Bladder Fern
Cystopteris fragilis var. protrusa — Lowland Bladder Fern, Spreading Bladder Fern
Dalea carnea var. albida — White-tassels
Dalea carnea var. carnea — Pink-tassels
Dalea carnea var. gracilis — Sprawling White-tassels
Dalea gracilis — Sprawling White-tassels
Dasystephana andrewsii — Prairie Closed Gentian, Closed Bottle Gentian
Dasystephana decora — Appalachian Gentian, Showy Gentian
Dasystephana decora — Meadow Closed Gentian, Meadow Bottle Gentian
Dasystephana decora — Blue Ridge Gentian, Appalachian Gentian, Pine Barren Gentian
Dasystephana decora — Balsam Mountain Gentian
Dasystephana flavida — Pale Gentian, Plain Gentian
Dasystephana latifolia — Coastal Plain Gentian, Catesby's Gentian, Elliott's Gentian
Dasystephana parvifolia — Coastal Plain Gentian, Catesby's Gentian, Elliott's Gentian
Dasystephana porphyrio — Pinebarren Gentian, Autumn Gentian
Dasystephana saponaria — Soapwort Gentian, Harvestbells
Dasystephana villosa — Striped Gentian
Dasystoma macrophylla — Mullein Foxglove
Daubentonia drummondii — Rattlebox, Poison-bean, Siene Bean
Decachaena baccata — Black Huckleberry, Crackleberry
Decachaena frondosa — Dangleberry
Decachaena nana — Dwarf Dangleberry, Confederate Huckleberry
Decachaena tomentosa — Woolly Dangleberry, Hairy Dangleberry, Hairytwig Huckleberry
Decachaena ursina — Bear Huckleberry, Buckberry, Mountain Huckleberry, Bearberry
Decemium appendiculatum — Biennial Waterleaf, Great Waterleaf
Delopyrum gracile — Wireweed, Tall Jointweed
Delphinium ambiguum — Rocket Larkspur, Garden Larkspur
Delphinium carolinianum var. carolinianum — Prairie Larkspur, Carolina Larkspur, Blue Larkspur, Ozark Larkspur
Delphinium carolinianum var. carolinianum — Glade Larkspur, Limestone Larkspur, Tennessee Larkspur
Delphinium virescens — Glade Larkspur, Limestone Larkspur, Tennessee Larkspur
Dendropogon usneoides — Spanish-moss, Long-moss
Dentaria diphylla — Broadleaf Toothwort, Crinkleroot, Pepperroot, Two-leaved Toothwort
Dentaria heterophylla — Eastern Slender Toothwort
Dentaria incisa — Broadleaf Toothwort, Crinkleroot, Pepperroot, Two-leaved Toothwort
Dentaria laciniata — Cutleaf Toothwort
Dentaria multifida — Dissected Toothwort, Fineleaf Toothwort, Forkleaf Toothwort
Deringa canadensis — Honewort
Deschampsia caespitosa — Tufted Hairgrass
Deschampsia caespitosa ssp. caespitosa — Tufted Hairgrass
Deschampsia cespitosa ssp. cespitosa — Tufted Hairgrass
Deschampsia flexuosa var. flexuosa — Appalachian Hairgrass, Crinkled Hairgrass, Common Hairgrass, Wavy Hairgrass
Deschampsia flexuosa var. montana — Appalachian Hairgrass, Crinkled Hairgrass, Common Hairgrass, Wavy Hairgrass
Desmodium ciliare var. lancifolium — Hairy Small-leaf Tick-trefoil, Littleleaf Tick-trefoil
Desmodium cuspidatum var. longifolium — Long-bracted Tick-trefoil, Toothed Tick-trefoil, Largebract Tick-trefoil
Desmodium marilandicum var. ciliare — Hairy Small-leaf Tick-trefoil, Littleleaf Tick-trefoil
Desmodium marilandicum var. lancifolium — Stiff Tick-trefoil
Desmodium marilandicum var. marilandicum — Smooth Small-leaf Tick-trefoil, Maryland Tick-trefoil
Desmodium paniculatum var. dillenii — Tall Tick-trefoil, Dillen's Tick-trefoil
Desmodium paniculatum var. dillenii — Perplexing Tick-trefoil, Dillen's Tick-trefoil
Desmodium paniculatum var. fernaldii — Fernald's Tick-trefoil
Desmodium rigidum — Stiff Tick-trefoil
Desmothamnus lucidus — Shining Fetterbush, Lyonia, Hemleaf
Diamorpha cymosa — Elf-orpine
Dianthera americana — American Water-willow
Dianthus armeria ssp. armeria — Deptford Pink
Diapedium brachiatum — Branched Foldwing, Dicliptera
Diaphoranthema recurvata — Ball-moss, Bunch-moss
Dicerandra linearifolia — coastal plain balm
Dichanthelium aciculare ssp. aciculare — Needleleaf Witchgrass, Needleleaf Rosette Grass
Dichanthelium aciculare ssp. angustifolium — Sandy Woods Witchgrass
Dichanthelium aciculare ssp. angustifolium — Narrowleaf Witchgrass
Dichanthelium aciculare ssp. fusiforme — Spindle-fruited Witchgrass
Dichanthelium aciculare ssp. neuranthum — Nerved Witchgrass
Dichanthelium acuminatum — White-haired Witchgrass
Dichanthelium acuminatum — Pineland Witchgrass
Dichanthelium acuminatum ssp. acuminatum — Woolly Witchgrass, Woolly Rosette Grass, Tapered Rosette Grass
Dichanthelium acuminatum ssp. columbianum — American Witchgrass
Dichanthelium acuminatum ssp. fasciculatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Dichanthelium acuminatum ssp. lindheimeri — Lindheimer's Witchgrass
Dichanthelium acuminatum ssp. longiligulatum — Long-ligule Witchgrass, Coastal Plain Witchgrass
Dichanthelium acuminatum var. implicatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Dichanthelium acuminatum var. longiligulatum — Long-ligule Witchgrass, Coastal Plain Witchgrass
Dichanthelium acuminatum var. villosum — White-haired Witchgrass
Dichanthelium dichotomum ssp. dichotomum — Forked Witchgrass
Dichanthelium dichotomum ssp. lucidum — Bog Witchgrass
Dichanthelium dichotomum ssp. lucidum — Peaty Witchgrass
Dichanthelium dichotomum ssp. mattamuskeetense — Ringed Witchgrass
Dichanthelium dichotomum ssp. mattamuskeetense — Mattamuskeet Witchgrass
Dichanthelium dichotomum ssp. microcarpon — Small-fruited Witchgrass
Dichanthelium dichotomum ssp. nitidum — Shining Witchgrass
Dichanthelium dichotomum ssp. roanokense — Blue Witchgrass
Dichanthelium dichotomum ssp. roanokense — Roanoke Witchgrass
Dichanthelium dichotomum ssp. yadkinense — Spotted-sheath Witchgrass
Dichanthelium dichotomum var. ramulosum — Small-fruited Witchgrass
Dichanthelium dichotomum var. roanokense — Roanoke Witchgrass
Dichanthelium leucoblepharis var. glabrescens — Hairless Witchgrass
Dichanthelium leucoblepharis var. leucoblepharis — Dwarf Witchgrass
Dichanthelium leucoblepharis var. pubescens — Rough-hairy Witchgrass
Dichanthelium leucothrix — Long-ligule Witchgrass, Coastal Plain Witchgrass
Dichanthelium lindheimeri — Lindheimer's Witchgrass
Dichanthelium oligosanthes ssp. oligosanthes — Few-flowered Witchgrass, Heller's Witchgrass
Dichanthelium ovale ssp. villosissimum — White-haired Witchgrass
Dichanthelium portoricense — American Witchgrass
Dichanthelium strigosum ssp. glabrescens — Hairless Witchgrass
Dichanthelium strigosum ssp. leucoblepharis — Dwarf Witchgrass
Dichanthelium strigosum ssp. strigosum — Rough-hairy Witchgrass
Dichondra repens var. carolinensis — Carolina Ponyfoot
Dicliptera viridiflora — Yellow Bractspike
Digitalis purpurea var. alba — Digitalis, Common Foxglove, Purple Foxglove
Digitalis purpurea var. purpurea — Digitalis, Common Foxglove, Purple Foxglove
Digitaria ischaemum var. mississippiensis — Smooth Crabgrass
Digitaria sanguinalis var. ciliaris — Southern Crabgrass
Digitaria sanguinalis var. sanguinalis — Hairy Crabgrass, Northern Crabgrass
Diodella teres — Poor-joe, Rough Buttonweed
Diodia hirsuta — Virginia Buttonweed, Large Buttonweed
Diodia teres var. hirsutior — Poor-joe, Rough Buttonweed
Diodia teres var. hystricina — Poor-joe, Rough Buttonweed
Diodia teres var. oblongifolia — Poor-joe, Rough Buttonweed
Diodia teres var. teres — Poor-joe, Rough Buttonweed
Diodia tetragona — Virginia Buttonweed, Large Buttonweed
Diodia virginiana var. attenuata — Virginia Buttonweed, Large Buttonweed
Diodia virginiana var. latifolia — Virginia Buttonweed, Large Buttonweed
Diodia virginiana var. virginiana — Virginia Buttonweed, Large Buttonweed
Dioscorea glauca — Common Wild Yam, Streamhead Yam, Yellow Yam
Dioscorea hirticaulis — Common Wild Yam, Streamhead Yam, Yellow Yam
Dioscorea quaternata — Common Wild Yam, Streamhead Yam, Yellow Yam
Dioscorea villosa var. hirticaulis — Common Wild Yam, Streamhead Yam, Yellow Yam
Diospyros mosieri — American Persimmon, Possumwood, Simmon
Diplazium acrostichoides — Silvery Glade Fern, Silvery Spleenwort
Diplostachyum apodum — Meadow Spikemoss
Diplostachyum ludovicianum — Louisiana Spikemoss, Gulf Spikemoss
Dipsacus fullonum ssp. sylvestris — Wild Teasel, Common Teasel
Disakisperma dubia — Green Sprangletop
Ditremexa marylandica — Northern Wild Senna
Ditremexa medsgeri — Maryland Wild Senna, Maryland Senna
Dodecatheon brachycarpa — Eastern Shooting Star
Dodecatheon hugeri — Eastern Shooting Star
Dodecatheon meadia ssp. brachycarpum — Eastern Shooting Star
Doellingeria humilis — Pocosin Flat-top Aster, Southern Whitetop, Streamhead Flat-top Aster, Southern Flat-top Aster
Doellingeria reticulata — Pine-barren Aster, Whitetop Aster
Doellingeria umbellata — Northern Tall Flat-top White Aster, Northern Tall Whitetop Aster, Northern Tall Flat-top Aster
Dondia linearis — Southern Sea-blite
Dracocephalum denticulatum — Savanna Obedient-plant, Eastern False Dragonhead
Dracocephalum leptophyllum — Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead
Dracocephalum veroniciformis — Tidal Marsh Obedient-plant, Swamp Obedient-plant, Narrowleaf Obedient-plant, Slenderleaf False Dragonhead
Drosera filiformis var. tracyi — Tracy's Sundew
Drosera rotundifolia var. comosa — Roundleaf Sundew
Drymaria cordata — Drymary, West Indian Chickweed, Heartleaf Drymary
Dryopteris ×australis — Southern Woodfern, Southern Shield-fern, Dixie Woodfern
Dryopteris atropalustris — Log Fern
Dryopteris austriaca var. austriaca — Mountain Woodfern
Dryopteris austriaca var. intermedia — Evergreen Woodfern, Fancy Fern, Intermediate Woodfern
Dryopteris austriaca var. spinulosa — Spinulose Woodfern, Toothed Woodfern
Dryopteris clintoniana var. australis — Southern Woodfern, Southern Shield-fern, Dixie Woodfern
Dryopteris goldiana ssp. celsa — Log Fern
Dryopteris goldiana ssp. goldiana — Goldie's Woodfern
Dryopteris hexagonoptera — Broad Beech Fern
Dryopteris noveboracensis — New York Fern
Dryopteris phegopteris — Northern Beech Fern
Dryopteris setigera — Mariana Maiden-fern, Swordfern, False Maiden-fern
Dryopteris simulata — Bog Fern, Massachusetts Fern
Dryopteris spinulosa var. americana — Mountain Woodfern
Dryopteris spinulosa var. intermedia — Evergreen Woodfern, Fancy Fern, Intermediate Woodfern
Dryopteris spinulosa var. spinulosa — Spinulose Woodfern, Toothed Woodfern
Dryopteris thelypteris var. pubescens — Marsh Fern
Duchesnea indica var. indica — Indian Strawberry, Mock Strawberry
Echinacea angustifolia var. tennesseensis — Tennessee Purple Coneflower, Tennessee Coneflower
Echinacea atrorubens var. paradoxa — Yellow Coneflower
Echinacea pallida var. angustifolia — Tennessee Purple Coneflower, Tennessee Coneflower
Echinacea pallida var. pallida — Pale Purple Coneflower
Echinacea pallida var. simulata — Prairie Purple Coneflower, Wavyleaf Purple Coneflower, Glade Coneflower
Echinacea pallida var. tennesseensis — Tennessee Purple Coneflower, Tennessee Coneflower
Echinacea paradoxa — Yellow Coneflower
Echinacea purpurea var. laevigata — Smooth Coneflower, Smooth Purple Coneflower
Echinacea purpurea var. purpurea — Eastern Purple Coneflower
Echinochloa crus-galli ssp. crus-galli — Rough Barnyard-grass
Echinochloa crus-galli ssp. crus-galli — Barnyard-grass
Echinochloa crus-galli ssp. crus-galli — Rough Barnyard-grass
Echinochloa crus-pavonis — gulf cockspur grass
Echinochloa microstachya — Rough Barnyard-grass
Echinochloa muricata — Rough Barnyard-grass
Echinodorus cordifolius ssp. cordifolius — Creeping Burhead, Creeping Water-plantain
Echinodorus parvulus — Mud-babies, Dwarf-burhead, Pigmy Chain-sword
Echinodorus radicans — Creeping Burhead, Creeping Water-plantain
Edgeworthia gardneri — Paperbush, Mitsumata
Edgeworthia tomentosa — Paperbush, Mitsumata
Edisonia pubiflora — Trailing Milkvine, Sandhill Spinypod
Elaeagnus multiflorus — Cherry Elaeagnus, Cherry Silverberry
Elaeagnus umbellatus — Autumn-olive, Spring Silverberry, Oriental Silverleaf
Elaeodendron fortunei — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree
Eleocharis capillacea — Baldwin's Spikerush, Slender Spikerush, Roadgrass, Hair Grass
Eleocharis ovata — Blunt Spikerush
Eleocharis prolifera — Baldwin's Spikerush, Slender Spikerush, Roadgrass, Hair Grass
Elodea densa — Brazilian Waterweed, Brazilian Egeria, "Brazilian Elodea", "Anacharis"
Elymus hystrix — Common Bottlebrush Grass, Eastern Bottlebrush-grass
Elymus striatus — Virginia Wild-rye, Common Eastern Wild-rye, Terrell Grass
Elymus virginicus var. glabriflorus — Southeastern Wild-rye
Elytrigia repens — Quackgrass, Dog-grass, Witchgrass
Emelista tora — Coffeeweed, Sicklepod
Endorima atropurpurea — Purple-disk Honeycomb-head, Bog Honeycomb-head, Purple Balduina, Purple Honeycomb-head
Endorima uniflora — Savanna Honeycomb-head, Yellow Balduina, Oneflower Honeycomb-head
Endymion nonscripta — English Bluebell
Epibaterium carolinum — Carolina Moonseed, Coralbeads, Carolina Snailseed, Red Moonseed
Epidendrum conopseum var. conopseum — Green-fly Orchid
Epidendrum conopseum var. mexicanum — Green-fly Orchid
Epidendrum magnoliae — Green-fly Orchid
Epidendrum magnoliae var. mexicanum — Green-fly Orchid
Epilobium adenocaulon var. adenocaulon — Fringed Willowherb, American Willowherb
Epilobium angustifolium var. platyphyllum — Great Willowherb, Fireweed
Epilobium glandulosum var. adenocaulon — Fringed Willowherb, American Willowherb
Equisetum hyemale ssp. affine — Tall Scouring-rush, River Scouring-rush
Eragrostis glomerata — Pond Lovegrass
Eragrostis hirsuta var. hirsuta — Bigtop Lovegrass
Eragrostis hirsuta var. laevivaginata — Bigtop Lovegrass
Eragrostis multicaulis — India Lovegrass
Erechtites hieraciifolia var. hieraciifolia — Fireweed, American Burnweed, Pilewort
Erianthus brevibarbis var. contortus — Bent-awn Plumegrass
Erianthus coarctatus var. coarctatus — Short-beard Plumegrass
Erianthus coarctatus var. coarctatus — Brown Plumegrass, Bunched Plumegrass
Erianthus coarctatus var. elliottianus — Short-beard Plumegrass
Erianthus coarctatus var. elliottianus — Brown Plumegrass, Bunched Plumegrass
Erianthus divaricatus — Silver Plumegrass
Erianthus ravennae var. purpurascens — Ravenna-grass, Hardy Pampas Grass
Erianthus ravennae var. ravennae — Ravenna-grass, Hardy Pampas Grass
Erianthus saccharoides — Sugarcane Plumegrass, Giant Plumegrass
Erigeron ramosus — Daisy Fleabane, Common Rough Fleabane, Prairie Fleabane, Slender Daisy Fleabane
Erigeron strigosus var. beyrichii — Daisy Fleabane, Common Rough Fleabane, Prairie Fleabane, Slender Daisy Fleabane
Eriochloa michauxii — Longleaf Cupgrass
Eruca eruca — Arugula, Garden Rocket, Rocket-salad, Salad-rocket
Eruca sativa — Arugula, Garden Rocket, Rocket-salad, Salad-rocket
Eryngium baldwini — Baldwin's eryngo, Baldwin's button snakeroot
Eryngium ludovicianum — Savanna Eryngo, Blueflower Eryngo
Eryngium synchaetum — Southern Rattlesnake-master
Eryngium virginianum — Marsh Eryngo
Erysimum officinale — Hedge Mustard
Erythrina arborea — Coral-bean, Cardinal-spear
Erythronium albidum var. albidum — White Trout Lily, Blonde Lilian, White Fawnlily
Eubotrys elongata — Coastal Fetterbush, Swamp Sweetbells, Swamp Leucothoe, Swamp Fetterbush
Eubotrys racemosa — Coastal Fetterbush, Swamp Sweetbells, Swamp Leucothoe, Swamp Fetterbush
Eubotrys recurva — Mountain Sweetbells, Mountain Fetterbush, Deciduous Fetterbush
Euchlaena perennis — Mexican Teosinte
Eulalia viminea — Japanese Stiltgrass, Japanese-grass, Nepalese Browntop, Nepal Grass
Euonymus alata — Burning-bush, Winged Euonymus, Winged Wahoo
Euonymus americana — Hearts-a-bustin', Strawberry-bush
Euonymus atropurpurea var. atropurpurea — American Wahoo, Eastern Wahoo, Burning Bush
Euonymus hederaceus — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree
Euonymus japonica — Japanese Spindle-tree, Japanese Euonymus
Euonymus kiautschovica — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree
Euonymus kiautschovicus — Wintercreeper, Climbing Euonymus, Chinese Spindle-tree
Euonymus obovata — Running Strawberry-bush, Trailing Strawberry-bush, Trailing Wahoo
Eupatoriadelphus dubius — Coastal Plain Joe-pye-weed, Three-nerved Joe-pye-weed
Eupatoriadelphus fistulosus — Hollow-stem Joe-pye-weed
Eupatoriadelphus maculatus — Spotted Joe-pye-weed
Eupatoriadelphus steelei — Appalachian Joe-pye-weed, Steele's Joe-pye-weed
Eupatorium ×cordigerum — Clasping Roundleaf Thoroughwort, Clasping Roundleaf Eupatorium
Eupatorium album var. glandulosum — White Boneset, White-bracted Thoroughwort, White Thoroughwort, White Eupatorium
Eupatorium album var. vaseyi — Vasey's Thoroughwort, Vasey's Eupatorium
Eupatorium album var. vaseyi — Fernald’s Thoroughwort, Fernald’s Eupatorium
Eupatorium chapmanii — Boneset
Eupatorium cuneatum — Boneset
Eupatorium cuneifolium var. semiserratum — Threeleaf Eupatorium, Smallflower Thoroughwort, Olive Eupatorium
Eupatorium hyssopifolium var. calcaratum — Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium
Eupatorium hyssopifolium var. linearifolium — Narrowleaf Bushy Thoroughwort, Twisted Eupatorium, Narrowleaf Bushy Eupatorium
Eupatorium latidens — Small-leaved White Snakeroot, Aromatic Snakeroot, Wild-hoarhound, Small White Snakeroot
Eupatorium lecheifolium — Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium
Eupatorium maculatum var. maculatum — Spotted Joe-pye-weed
Eupatorium purpureum var. purpureum — Purple-node Joe-pye-weed, Sweet Joe-pye-weed
Eupatorium purpureum var. purpureum — Carolina Joe-Pye-weed, Downy Sweet Joe-Pye-weed
Eupatorium roanensis — Appalachian White Snakeroot, Appalachian Milk-poison, Appalachian Snakeroot
Eupatorium rotundifolium var. saundersii — Rough Boneset, Ragged Eupatorium
Eupatorium rugosum var. roanense — Appalachian White Snakeroot, Appalachian Milk-poison, Appalachian Snakeroot
Eupatorium rugosum var. rugosum — Common White Snakeroot, Common Milk-poison
Eupatorium sessilifolium — Upland Boneset, Sessile-leaf Eupatorium
Eupatorium sessilifolium — Britton's Upland Boneset, Britton's Eupatorium
Eupatorium sessilifolium — Godfrey's Thoroughwort, Godfrey's Eupatorium
Eupatorium sessilifolium — Hyssopleaf Boneset, Hyssopleaf Thoroughwort, Hyssopleaf Eupatorium
Eupatorium steelei — Appalachian Joe-pye-weed, Steele's Joe-pye-weed
Eupatorium tortifolium — Narrowleaf Bushy Thoroughwort, Twisted Eupatorium, Narrowleaf Bushy Eupatorium
Eupatorium trifoliatum — Carolina Joe-Pye-weed, Downy Sweet Joe-Pye-weed
Eupatorium trifoliatum — Purple-node Joe-pye-weed, Sweet Joe-pye-weed
Eupatorium urticifolium — Common White Snakeroot, Common Milk-poison
Eupatorium verbenaefolium — Rough Boneset, Ragged Eupatorium
Euphorbia arundelana — Carolina Ipecac, Wild Ipecac, American Ipecac
Euphorbia commutata var. commutata — Woodland Spurge, Tinted Spurge, Wood Spurge
Euphorbia commutata var. erecta — Woodland Spurge, Tinted Spurge, Wood Spurge
Euphorbia corollata var. mollis — Eastern Flowering Spurge
Euphorbia corollata var. paniculata — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge
Euphorbia esula — Wolf's-milk, Leafy Spurge
Euphorbia esula ssp. esula — Wolf's-milk, Leafy Spurge
Euphorbia heterophylla var. heterophylla — Wild Poinsettia, Painted Leaf, Fire-on-the-mountain
Euphorbia lathyrus — Caper Spurge, Myrtle Spurge, Mole Plant
Euphorbia marilandica — Eastern Flowering Spurge
Euphorbia preslii — Eyebane, Upright Spotted Spurge, Nodding Spurge
Euphorbia zinniiflora — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge
Euthamia ×hirtipes — Marsh Flattop Goldenrod
Euthamia ×hirtipes — Mid-atlantic Goldentop
Euthamia graminifolia var. hirtipes — Marsh Flattop Goldenrod
Euthamia hirtipes — Marsh Flattop Goldenrod
Euthamia minor — Carolina Goldentop, Slender Flattop Goldenrod
Euthamia tenuifolia — Carolina Goldentop, Slender Flattop Goldenrod
Euthamia tenuifolia var. microcephala — Carolina Goldentop, Slender Flattop Goldenrod
Eutrochium maculatum — Spotted Joe-pye-weed
Facelis apiculata — Trampweed, Fluffweed
Fagopyrum sagittatum — Buckwheat
Falcata comosa — American Hog-peanut
Fallopia aubertii — Lace Vine, Silver-lace-vine, China Fleece-vine, Russian Vine
Fallopia cilinodis — Fringed Climbing Buckwheat, Fringed Black Bindweed, Fringed Bindweed
Fallopia cristata — Common Climbing Buckwheat
Fallopia japonica — Japanese Knotweed, Japanese Bamboo, Japanese Buckwheat
Fallopia japonica var. japonica — Japanese Knotweed, Japanese Bamboo, Japanese Buckwheat
Fallopia sachalinensis — Giant Knotweed, Sachaline
Festuca arundinacea — Tall Fescue, Alta Fescue
Festuca elatior var. arundinacea — Tall Fescue, Alta Fescue
Festuca elatior var. pratensis — Meadow Fescue
Festuca ovina var. duriuscula — Hard Fescue
Festuca ovina var. ovina — Hard Fescue
Festuca perennis — Italian Ryegrass, Annual Ryegrass
Festuca perennis — English Ryegrass, Perennial Ryegrass
Festuca pratensis — Meadow Fescue
Festuca shortii — Cluster Fescue
Festuca temulentum — Darnel Ryegrass, Darnel
Ficaria calthifolia — Fig Buttercup, Lesser Celandine, Pilewort
Ficaria fertilis — Fig Buttercup, Lesser Celandine, Pilewort
Ficaria grandiflora — Fig Buttercup, Lesser Celandine, Pilewort
Ficaria verna — Fig Buttercup, Lesser Celandine, Pilewort
Filipendula ulmaria var. ulmaria — Queen-of-the-Meadow, Meadowsweet
Fimbristylis harperi — Carolina Fimbry
Fissipes acaulis — Pink Lady's Slipper, Mocassin Flower
Foeniculum foeniculum — Fennel
Forestiera globularis — Florida-privet, Florida Forestiera
Forestiera pinetorum — Florida-privet, Florida Forestiera
Forestiera porulosa — Florida-privet, Florida Forestiera
Forestiera pubescens — Godfrey's Forestiera
Forestiera segregata var. pinetorum — Florida-privet, Florida Forestiera
Forsythia ×intermedia [suspensa × viridissima] — Border Forsythia, showy forsythia
Fothergilla gardeni — Coastal Witch-alder, Pocosin Witch-alder, Dwarf Witch-alder, Fothergilla
Fragaria ×ananassa ssp. ananassa — Garden Strawberry, Cultivated Strawberry
Fragaria ananasa ssp. ananasa — Garden Strawberry, Cultivated Strawberry
Fragaria ananassa — Garden Strawberry, Cultivated Strawberry
Fragaria australis — Wild Strawberry
Fragaria chiloensis × virginiana — Garden Strawberry, Cultivated Strawberry
Fragaria chiloensis var. ananassa — Garden Strawberry, Cultivated Strawberry
Fragaria grayana — Wild Strawberry
Fragaria vesca var. americana — Wood Stawberry, American Woodland Strawberry
Fragaria virginiana ssp. grayana — Wild Strawberry
Fragaria virginiana var. virginiana — Wild Strawberry
Fraxinus darlingtonii — Green Ash, Red Ash
Fraxinus michauxii — Pumpkin Ash
Froelichia braunii — Slender Cottonweed
Fumaria officinalis ssp. wirtgenii — Fumitory, Earthsmoke
Funastrum angustifolium — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort, Marsh Cynanchum
Gaillardia chrysantha — Yellow Sandhill Gaillardia, Yellow Prairie Gaillardia
Gaillardia drummondii — Common Blanket-flower, Gaillardia, Firewheel, Indian Blanket Flower
Gaillardia lanceolata — Sandhill Gaillardia, Rayless Blanketflower, Lanceleaf Blanketflower, Prairie Gaillardia
Gaillardia lanceolata var. lanceolata — Sandhill Gaillardia, Rayless Blanketflower, Lanceleaf Blanketflower, Prairie Gaillardia
Gaillardia picta — Beach Blanket-flower, Gaillardia, Firewheel, Indian Blanket Flower
Galactia brevipes — Smooth Milkpea, Common Milkpea
Galactia floridana var. microphylla — Littleleaf Milkpea, Little Milkpea
Galactia glabella — Pine-barren Milkpea
Galactia macreei — Downy Milkpea, Hairy Milkpea, Twining Milkpea, Eastern Milkpea
Galactia michauxii — Pine-barren Milkpea
Galactia mohlenbrockii var. halei — Cluster-pea, Boykin's Clusterpea
Galactia mohlenbrockii var. mohlenbrockii — Cluster-pea, Boykin's Clusterpea
Galactia volubilis var. volubilis — Smooth Milkpea, Common Milkpea
Galarhoeus austrinus — Woodland Spurge, Tinted Spurge, Wood Spurge
Galarhoeus commutatus — Woodland Spurge, Tinted Spurge, Wood Spurge
Galarhoeus cyparissias — Cypress Spurge, Graveyard Spurge
Galarhoeus darlingtonii — Glade Spurge, Darlington Spurge, Purple Spurge
Galarhoeus lathyrus — Caper Spurge, Myrtle Spurge, Mole Plant
Galeorchis spectabilis — Showy Orchis
Galium circaezans var. circaezans — Forest Bedstraw, Licorice Bedstraw
Galium circaezans var. hypomalacum — Forest Bedstraw, Licorice Bedstraw
Galium claytonii — Stiff Marsh Bedstraw, Dye Bedstraw, Three-lobed Bedstraw
Galium erectum — white bedstraw
Galium filifolium — Carolina Bedstraw
Galium mollugo var. erectum — white bedstraw
Galium mollugo var. mollugo — False Baby's Breath, Smooth Bedstraw, Hedge Bedstraw, Wild Madder
Galium obtusum — Bluntleaf Bedstraw
Galium obtusum — Carolina Bedstraw
Galium obtusum ssp. australe — Bluntleaf Bedstraw
Galium orizabense — Bald Bedstraw, Smoothstem Bedstraw
Galium pilosum var. laevicaule — Bald Bedstraw, Smoothstem Bedstraw
Galium pilosum var. pilosum — Hairy Bedstraw
Galium pilosum var. puncticulosum — Hairy Bedstraw
Galypola incarnata — Pink Milkwort, Procession-flower
Gamochaeta coarctata — Elegant Cudweed, Shiny Cudweed, American Everlasting
Gaura michauxii — Threadstalk Gaura, Slenderstalk Beeblossom
Gaylussacia dumosa var. bigeloviana — Northern Dwarf Huckleberry, Bog Huckleberry
Gaylussacia dumosa var. dumosa — Southern Dwarf Huckleberry
Gaylussacia frondosa var. nana — Dwarf Dangleberry, Confederate Huckleberry
Gentiana cherokeensis — Soapwort Gentian, Harvestbells
Gentiana flavida — Pale Gentian, Plain Gentian
Gentiana porphyrio — Pinebarren Gentian, Autumn Gentian
Gentianella quinquefolia var. quinquefolia — Stiff Gentian, Appalachian Gentianella, Fivefinger Gentian, Eastern Agueweed
Geobalanus pallidus — Gopher-apple, Ground-oak
Geranium carolinianum var. confertiflorum — Carolina Cranesbill
Gerardia acuta — Tenlobe Gerardia, Sandplain Agalinis, Tenlobe False Falseglove
Gerardia aphylla — Scaleleaf Gerardia, Scaleleaf Agalinis, Scaleleaf False Foxglove
Gerardia decemloba — Tenlobe Gerardia, Sandplain Agalinis, Tenlobe False Falseglove
Gerardia fasciculata — Fascicled Purple Gerardia, Southeastern Agalinis, Beach False Foxglove, Fascicled Gerardia
Gerardia flava + — Smooth False Foxglove, Smooth Oak-leach, Smooth Yellow False Foxglove
Gerardia gattingeri — Gattinger's Gerardia, Midwestern Agalinis, Gattinger's Agalinis, Gattinger's False Foxglove
Gerardia laevigata — Appalachian Oak-leach, Smooth False Foxglove, Entireleaf Yellow False Foxglove
Gerardia linifolia — Flaxleaf Gerardia, Scaleleaf Agalinis, Flaxleaf False Foxglove, Flaxleaf Agalinis
Gerardia maritima — Seaside Gerardia, Southern Saltmarsh Agalinis, Saltmarsh False Foxglove
Gerardia maritima var. grandiflora — Seaside Gerardia, Southern Saltmarsh Agalinis, Saltmarsh False Foxglove
Gerardia obtusifolia — Bluntleaf Gerardia, Bluntleaf Agalinis, Bluntleaf False Foxglove, Tenlobe False Foxglove
Gerardia patula — Cumberland Oak-leach, Spreading Yellow False Foxglove
Gerardia pectinata — Southern Oak-leach, Sticky False Foxglove, Combleaf Yellow False Foxglove
Gerardia pedicularia + — Fernleaf False Foxglove, Annual Oak-leach, Fernleaf Yellow False Foxglove
Gerardia purpurea — Purple Gerardia, Common Agalinis, Purple False Foxglove
Gerardia purpurea var. racemulosa — Wand Gerardia, Wand Agalinis, Pine-barren False Foxglove
Gerardia racemulosa — Wand Gerardia, Wand Agalinis, Pine-barren False Foxglove
Gerardia setacea — Threadleaf Gerardia, Threadleaf Agalinis, Threadleaf False Foxglove, Sandhills Gerardia
Gerardia tenuifolia var. tenuifolia — Common Gerardia, Slenderleaf Agalinis, Slender False Foxglove, Slender Gerardia
Gerardia virginica — Downy False Foxglove, Downy Oak-leach, Virginia Oak-leach, Downy Yellow False Foxglove
Geum aleppicum var. strictum — Yellow Avens
Geum donianum — Southern Barren Stawberry
Geum fragarioides — Southern Barren Stawberry
Geum fragarioides — Northern Barren Strawberry
Geum hirsutum — Pale Avens, Cream Avens
Geum laciniatum var. laciniatum — Rough Avens
Geum laciniatum var. trichocarpum — Rough Avens
Geum lobatum — Piedmont Barren Strawberry, Lobed Barren Strawberry
Gilia rubra — Standing-cypress, Spanish-larkspur
Gladiolus dalenii — Gladiolus
Glandularia tenuisecta — Moss Vervain, South American Vervain, Moss Verbena
Globifera umbrosa — Shade Mudflower
Glyceria septentrionalis var. septentrionalis — Eastern Mannagrass, Floating Mannagrass
Glycine apios — American Groundnut, Common Groundnut
Gnaphalium calviceps — Narrowleaf Cudweed, Caribbean Everlasting, Delicate Everlasting
Gnaphalium calviceps — Narrowleaf Cudweed, Narrowleaf Purple Everlasting
Gnaphalium falcatum — Narrowleaf Cudweed, Caribbean Everlasting, Delicate Everlasting
Gnaphalium falcatum — Narrowleaf Cudweed, Narrowleaf Purple Everlasting
Gnaphalium peregrinum — Wandering Cudweed, Pennsylvania Everlasting
Gnaphalium purpureum — Silvery Cudweed, Silvery Everlasting
Gnaphalium purpureum — White-cloaked Cudweed, Snow-white Everlasting
Gnaphalium purpureum — Spoonleaf Purple Everlasting, Purple Cudweed
Gnaphalium spathulatum — Wandering Cudweed, Pennsylvania Everlasting
Gonolobus carolinensis — Carolina Spinypod, Climbing Milkweed, Climbing Milkvine, Maroon Carolina Milkvine
Gonolobus decipiens — Deceptive Spinypod
Gonolobus gonocarpos — Eastern Anglepod
Gonolobus laevis — Bluevine, Sandvine, Honeyvine
Gonolobus obliquus — Northern Spinypod, Limerock Milkvine, Climbing Milkvine
Gonolobus pubiflorus — Trailing Milkvine, Sandhill Spinypod
Gonolobus shortii — Northern Spinypod, Limerock Milkvine, Climbing Milkvine
Gossypium herbaceum — Upland Cotton, Short-staple Cotton
Gratiola virginiana var. aestuariorum — Roundfruit Hedge-hyssop, Virginia Hedge-hyssop
Gratiola virginiana var. virginiana — Roundfruit Hedge-hyssop, Virginia Hedge-hyssop
Grossularia curvata — Granite Gooseberry
Grossularia cynosbati — Prickly Gooseberry, Dogberry
Grossularia echinella — Miccosukee Gooseberry, Spiny Gooseberry, Florida Gooseberry
Grossularia missouriensis — Missouri Gooseberry
Grossularia rotundifolia — Roundleaf Gooseberry, Appalachian Gooseberry
Guilandina crista — Gray Nicker, Holdback
Gymnadeniopsis clavellata — Small Green Wood Orchid, Club-spur Orchid, Woodland Orchid, Streamhead Orchid
Gymnadeniopsis integra — Yellow Fringeless Orchid, Golden Frog Orchid, Golden Fringeless Orchid, Golden Frog Arrow
Gymnadeniopsis nivea — Snowy Orchid, Bog-spike
Gyrotheca tinctoria — Carolina Redroot
Habenaria blephariglottis var. conspicua — Large White Fringed Orchid, Southern White Fringed Orchid
Habenaria clavellata var. wrightii — Small Green Wood Orchid, Club-spur Orchid, Woodland Orchid, Streamhead Orchid
Habenaria fimbriata — Large Purple Fringed Orchid, Plume-royal, Greater Purple Fringed Orchid
Halesia monticola — Mountain Silverbell
Hamamelis virginiana var. henryi — Small-leaved Witch-hazel
Hamamelis virginiana var. parvifolia — Northern Witch-hazel
Harperella fluviatilis — Harperella, piedmont mock bishopweed
Harperella vivipara — Harperella, piedmont mock bishopweed
Hartmannia speciosa — Showy Evening Primrose, White Evening Primrose, Pink-ladies, Pink Evening Primrose
Hedeoma hispidum — Rough Pennyroyal, Rough False Pennyroyal, Mock Pennyroyal
Hedera helix ssp. helix — English Ivy, Common Ivy
Hedera helix ssp. hibernica — Atlantic Ivy, Irish Ivy
Hedera helix var. hibernica — Atlantic Ivy, Irish Ivy
Hedyotis australis — Southern Bluet
Hedyotis boscii — Bosc's Bluet
Hedyotis caerulea — Quaker Ladies, Common Bluet, Innocence, Azure Bluet
Hedyotis canadensis — Canada Bluet
Hedyotis corymbosa — Diamond-flower, Flattop Mille-graines
Hedyotis crassifolia — Tiny Bluet, Small Bluet
Hedyotis longifolia — Eastern Longleaf Bluet
Hedyotis longifolia — Narrowleaf Bluet, Diffuse-branched Bluet
Hedyotis longifolia — Granite Dome Bluet
Hedyotis michauxii — Thymeleaf Bluet, Appalachian Bluet, Prostrate Bluet, Marsh Bluet
Hedyotis nigricans — Diamond-flower, Glade Bluet, Prairie Bluet
Hedyotis nigricans var. nigricans — Diamond-flower, Glade Bluet, Prairie Bluet
Hedyotis nuttalliana — Narrowleaf Bluet, Diffuse-branched Bluet
Hedyotis procumbens — Creeping Bluet, Roundleaf Bluet, Trailing Bluet, Fairy-footprints
Hedyotis purpurea — Summer Bluet, Mountain Bluet, Woodland Bluet, Purple Bluet
Hedyotis purpurea — Lanceleaf Bluet, Midwestern Summer Bluet, Glade Mountain Houstonia, Venus's Pride
Hedyotis purpurea — Roan Mountain Bluet
Hedyotis purpurea var. calycosa — Lanceleaf Bluet, Midwestern Summer Bluet, Glade Mountain Houstonia, Venus's Pride
Hedyotis purpurea var. montana — Roan Mountain Bluet
Hedyotis rosea — Rose Bluet, Pygmy Bluet
Hedyotis uniflora — Oldenlandia, Clustered Bluet
Helanthium parvulum — Mud-babies, Dwarf-burhead, Pigmy Chain-sword
Helenium autumnale var. parviflorum — Common Sneezeweed
Helenium curtisii — Littleleaf Sneezeweed, Shortleaf Sneezeweed
Helenium helenium — Savannah Sneezeweed, Spring Helenium
Helenium latifolium — Common Sneezeweed
Helenium nudiflorum — Purplehead Sneezeweed, Southern Sneezeweed
Helenium parviflorum — Common Sneezeweed
Helenium polyphyllum — Purplehead Sneezeweed, Southern Sneezeweed
Helenium tenuifolium — Bitterweed, Yellow Sneezeweed, Bitter Sneezeweed
Helianthus ×laetiflorus — Showy Sunflower, cheerful sunflower
Helianthus ×verticillatus — Whorled Sunflower
Helianthus alienus — Tall Sunflower, Swamp Sunflower, Tuberous Sunflower, Giant Sunflower
Helianthus cucumerifolius — Cucumber-leaf Sunflower, Beach Sunflower
Helianthus debilis — East Florida Beach Sunflower
Helianthus dowellianus — Naked-stem Sunflower, Fewleaf Sunflower, Western Sunflower
Helianthus laetiflorus var. laetiflorus — Showy Sunflower, cheerful sunflower
Helianthus laetiflorus var. rigidus — Stiff Sunflower
Helianthus montanus — Roughleaf Sunflower, Paleleaf Woodland Sunflower, Paleleaf Sunflower
Helianthus occidentalis var. dowellianus — Naked-stem Sunflower, Fewleaf Sunflower, Western Sunflower
Helianthus reindutus — Smooth Sunflower, Shale-barren Sunflower
Helianthus rigidus — Stiff Sunflower
Helianthus saxicola — Thinleaf Sunflower, Forest Sunflower
Helianthus saxicolus — Roughleaf Sunflower, Paleleaf Woodland Sunflower, Paleleaf Sunflower
Helianthus validus — Tall Sunflower, Swamp Sunflower, Tuberous Sunflower, Giant Sunflower
Heliopsis minor — Smooth Oxeye, Pineywoods Oxeye, Coastal Plain Sunflower-everlasting, Coastal Plain Oxeye
Hemerocallis flava — Yellow Daylily, Lemon Daylily
Hemerocallis lilio-asphodelus — Yellow Daylily, Lemon Daylily
Hemionitis alabamensis — Alabama Lipfern, Smooth Lipfern
Hemionitis atropurpurea — Purple Cliffbrake
Hemionitis bradburii — Woolly Lipfern
Hemionitis hispida — Copper Fern, Hispid Bommer Fern, Hairy Bommer
Hemionitis lanosa — Hairy Lipfern
Hemionitis sinuata — Wavy Cloak Fern, Wavy Scaly Cloak Fern
Hemionitis ternifolia — Arizona Cliffbrake
Hemionitis wrightiana — Wright's Cliffbrake
Hepatica acuta — Sharp-lobed Hepatica, Sharp-lobed Liverleaf
Hepatica hepatica — Round-lobed Hepatica, Round-lobed Liverleaf
Heracleum sphondylium ssp. montanum — Cow-parsnip, American Hogweed, Masterwort
Herpestis rotundifolia — Tropical Water-hyssop
Herpothamnus crassifolius — Creeping Blueberry
Hesperis pinnatifida — Purple Rocket
Heterotheca aspera — Pineland Silkgrass, Sticky Goldenaster, Grassleaf Goldenaster
Heterotheca aspera — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster
Heterotheca correllii — Common Silkgrass, Grassleaf Goldenaster
Heterotheca graminifolia — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster
Heterotheca graminifolia — Narrowleaf Silkgrass, Grassleaf Goldenaster
Heterotheca graminifolia — Common Silkgrass, Grassleaf Goldenaster
Heterotheca hyssopifolia var. subulata — Scrub Goldenaster
Heterotheca latifolia var. latifolia — Camphorweed
Heterotheca microcephala var. microcephala — Narrowleaf Silkgrass, Grassleaf Goldenaster
Heterotheca microcephala var. microcephala — Smallhead Silkgrass, Grassleaf Goldenaster
Heterotheca oligantha — Narrowleaf Goldenaster, Few-flowered Goldenaster, Bog Goldenaster
Heterotheca pilosa — Soft Goldenaster, Hairy Goldenaster
Heterotheca ruthii — Ruth's Goldenaster
Heterotheca subaxillaris ssp. latifolia — Camphorweed
Heterotheca subaxillaris ssp. subaxillaris — Camphorweed
Heterotheca subaxillaris var. latifolia — Camphorweed
Heterotheca subaxillaris var. subaxillaris — Camphorweed
Heuchera ×hispida — Purple Alumroot, Hispid Alumroot
Heuchera americana var. caroliniana — Carolina Alumroot
Heuchera calycosa — American Alumroot
Heuchera curtisii — American Alumroot
Heuchera lancipetala — American Alumroot
Hexalectris spicata var. spicata — Crested Coralroot, Spiked Crested Coralroot, Brunetta
Hexastylis memmingeri — Virginia Heartleaf
Hexastylis virginicum — Variable-leaf Heartleaf
Hibiscus esculentus — Okra, Gumbo
Hibiscus incanus — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton
Hibiscus lasiocarpus — Western Rosemallow
Hibiscus moscheutos ssp. incanus — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton
Hibiscus moscheutos ssp. lasiocarpos — Western Rosemallow
Hibiscus moscheutos ssp. palustris — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton
Hibiscus oculiroseus — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton
Hibiscus palustris — Swamp Rosemallow, Eastern Rosemallow, Wild Cotton
Hibiscus pentacarpos — Southern Seashore Mallow, Seashore Marshmallow, Virginia Saltmarsh Mallow, Fen-rose
Hicora texana — Black Hickory
Hicoria alba — Mockernut Hickory, White Hickory
Hicoria aquatica — Water Hickory, Bitter Pecan
Hicoria austrina — Pignut Hickory
Hicoria carolinae-septentrionalis — Carolina Shagbark Hickory, Southern Shagbark Hickory, Carolina Hickory
Hicoria cordiformis var. cordiformis — Bitternut Hickory
Hicoria cordiformis var. latifolia — Bitternut Hickory
Hicoria floridana — Scrub Hickory
Hicoria glabra var. glabra — Pignut Hickory
Hicoria glabra var. hirsuta — Pignut Hickory
Hicoria laciniosa — Big Shellbark Hickory, Kingnut Hickory
Hicoria microcarpa — Red Hickory, Sweet Pignut Hickory
Hicoria myristiciformis — Nutmeg Hickory
Hicoria ovata — Common Shagbark Hickory
Hicoria pallida — Sand Hickory, Pale Hickory
Hicoria pecan — Pecan
Hicoria texana — Pecan
Hieracium flagellare — Whiplash Hawkweed
Hieracium venosum var. nudicaule — Rattlesnake Hawkweed, Rattlesnake Weed, Veiny Hawkweed
Hieracium venosum var. venosum — Rattlesnake Hawkweed, Rattlesnake Weed, Veiny Hawkweed
Holcus halepensis — Johnsongrass
Holcus sorghum — Sorghum, Milo, Broomcorn, Sorgo
Homalocenchrus lenticularis — Catchfly Cutgrass, Oatmeal Grass
Homalocenchrus oryzoides — Rice Cutgrass
Homalocenchrus virginicus — White Cutgrass, Whitegrass, Virginia Cutgrass
Homalosorus pycnocarpos — Glade Fern
Hordeum vulgare ssp. vulgare — Barley
Hordeum vulgare var. trifurcatum — Barley
Hordeum vulgare var. vulgare — Barley
Houstonia angustifolia — Diamond-flower, Glade Bluet, Prairie Bluet
Houstonia longifolia var. tenuifolia — Narrowleaf Bluet, Diffuse-branched Bluet
Houstonia minima — Tiny Bluet, Small Bluet
Houstonia rotundifolia — Creeping Bluet, Roundleaf Bluet, Trailing Bluet, Fairy-footprints
Hudsonia ericoides ssp. ericoides — Northern Golden-heather
Hudsonia ericoides ssp. montana — Mountain Golden-heather
Hudsonia ericoides ssp. tomentosa — Woolly Beach-heather
Hudsonia tomentosa var. intermedia — Woolly Beach-heather
Hugeria erythrocarpa — Bearberry, Highbush Cranberry, Mountain Cranberry
Huperzia selago — Appalachian Firmoss, Appalachian Fir-clubmoss
Hydatica petiolaris — Michaux's Saxifrage, Cliff Saxifrage
Hydrangea arborescens var. deamii — Ashy Hydrangea, Southern Wild Hydrangea
Hydrangea arborescens var. discolor — Ashy Hydrangea, Southern Wild Hydrangea
Hydrocotyle australis — Whorled Marsh-pennywort, Water-pennywort
Hydrocotyle canbyi — Whorled Marsh-pennywort, Water-pennywort
Hydrophyllum virginicum — Virginia Waterleaf, Eastern Waterfleaf
Hydrophyllum virginicum — Appalachian Waterleaf
Hydrotrida caroliniana — Blue Water-hyssop, Sweet Water-hyssop, Carolina Water-hyssop, Lemon Bacopa
Hymenocallis caroliniana — Rocky-shoals Spiderlily, Catawba Spiderlily, Carolina Spiderlily, Cahaba Lily
Hymenocallis caroliniana — Hammock Spiderlily, Woodland Spiderlily, Northern Spiderlily
Hymenocallis floridana — Carolina Spiderlily, Florida Spiderlily
Hymenocallis palmeri — Pygmy Spiderlily, Waccamaw Spiderlily, dwarf spiderlily
Hypericum ×mitchellianum — Blue Ridge St. Johnswort
Hypericum acutifolium — Strict St. Johnswort, Sharpleaf St. Johnswort
Hypericum acutifolium — Harper's St. Johnswort
Hypericum ambiguum — bedstraw St. Johnswort
Hypericum aspalathoides — Sandhill St. Johnswort, Atlantic St. Johnswort
Hypericum aspalathoides — Shortleaf St. Johnswort
Hypericum aureum — Golden St. Johnswort, Cedar Glade St. Johnswort
Hypericum densiflorum var. interior — Interior Bushy St. Johnswort
Hypericum densiflorum var. lobocarpum — Five-lobe St. Johnswort, Interior St. Johnswort
Hypericum denticulatum var. recognitum — Strict St. Johnswort, Sharpleaf St. Johnswort
Hypericum glomeratum — Mountain Bushy St. Johnswort, Dense-flowered St. Johnswort
Hypericum mutilum ssp. mutilum — Common Dwarf St. Johnswort
Hypericum nitidum ssp. nitidum — Sandweed St. Johnswort
Hypericum opacum — Roundpod St. Johnswort
Hypericum perforatum ssp. perforatum — European St. Johnswort, Common St. Johnswort, Klamath-weed
Hypericum spathulatum — Shrubby St. Johnswort
Hypericum sphaerocarpon var. sphaerocarpon — Barrens St. Johnswort, Roundfruit St. John's-wort
Hypericum sphaerocarpum var. turgidum — Barrens St. Johnswort, Roundfruit St. John's-wort
Hypericum splendens — Golden St. Johnswort, Cedar Glade St. Johnswort
Hypericum subpetiolatum — Spotted St. Johnswort
Hypericum tubulosum var. tubulosum — Southern Marsh St. Johnswort
Hypericum tubulosum var. walteri — Walter’s Marsh St. Johnswort, Greater Marsh St. Johnswort
Hypericum turgidum — Barrens St. Johnswort, Roundfruit St. John's-wort
Hypopitys americana — Eastern Pinesap
Hypopitys americana — Appalachian Red Pinesap, Hairy Pinesap
Hypopitys monotropa — Eastern Pinesap
Hypopitys monotropa — Appalachian Red Pinesap, Hairy Pinesap
Hypoxis leptocarpa — Swamp Stargrass, Curtiss’s Stargrass
Hyptis radiata — Musky Mint, Cluster Bushmint
Hystrix hystrix — Common Bottlebrush Grass, Eastern Bottlebrush-grass
Ibidium beckii — Little Ladies'-tresses, Little Pearl-twist
Ibidium cernuum — Nodding Ladies'-tresses
Ibidium floridanum — Florida Ladies'-tresses
Ibidium gracile — Southern Slender Ladies'-tresses
Ibidium laciniatum — Lace-lip Ladies'-tresses, Lace-lip Spiral Orchid
Ibidium longilabre — Longhorn Ladies'-tresses, Giant Spiral Orchid, Giant Spiral Ladies'-tresses, Long-lipped Ladies'-tresses
Ibidium ochroleucum — Yellow Ladies'-tresses, Yellow Nodding Ladies'-tresses
Ibidium odoratum — Fragrant Ladies'-tresses, Marsh Ladies'-tresses
Ibidium ovale — Lesser Ladies'-tresses, Oval Ladies'-tresses, October Ladies'-tresses
Ibidium ovale — Oval Ladies'-tresses
Ibidium plantagineum — Shining Ladies'-tresses
Ibidium praecox — Grassleaf Ladies'-tresses, Giant Ladies'-tresses
Ibidium praecox — Woodland Ladies'-tresses, Pale Green Ladies'-tresses
Ibidium vernale — Spring Ladies'-tresses
Ilex ambigua var. monticola — Mountain Holly, Mountain Winterberry
Ilex beadlei — Carolina Holly
Ilex buswellii — Carolina Holly
Ilex decidua var. curtissii — Suwanee Possumhaw, Curtiss's Holly
Ilex longipes var. cuthbertii — Cuthbert Holly
Ilex longipes var. longipes — Georgia Holly, Chapman's Holly
Ilex montana var. beadlei — Carolina Holly
Ilex montana var. montana — Mountain Holly, Mountain Winterberry
Ilex monticola — Mountain Holly, Mountain Winterberry
Ilysanthes dubia — Yellowseed False Pimpernel
Ilysanthes monticola — Flatrock Pimpernel, Riverbank Pimpernel, False Pimpernel, Piedmont Pimpernel
Ilysanthes saxicola — Riverbank Pimpernel
Impatiens biflora — Spotted Jewelweed, Spotted Touch-me-not, Orange Jewelweed, Orange Touch-me-not
Imperata cylindrica var. cylindrica — Cogongrass, Bloodroot Grass, Brazilian Satintail
Imperata cylindrica var. mexicana — Brazilian Satintail
Ionoxalis martiana — Windowbox Wood-sorrel
Ionoxalis violacea — Violet Wood-sorrel
Ipomoea coccinea var. hederifolia — Scarlet Creeper
Ipomoea hederacea var. integriuscula — Ivyleaf Morning Glory
Ipomoea pes-caprae — Railroad Vine, Bay Hops, Bay Winders, Goat's-foot
Ipomoea pes-caprae var. emarginata — Railroad Vine, Bay Hops, Bay Winders, Goat's-foot
Ipomoea trifida — Coastal Morning Glory, Tie-vine, Cotton Morning Glory
Iris alticristata — Giant Blue Iris
Iris aurilinea — Giant Blue Iris
Iris citricristata — Giant Blue Iris
Iris elephantina — Giant Blue Iris
Iris flavescens — German Iris, Fleur-de-Lys
Iris fluviatilis — Giant Blue Iris
Iris foliosa — Short-stemmed Iris, Lamance Iris, Zigzag Iris
Iris miraculosa — Giant Blue Iris
Iris mississippiensis — Short-stemmed Iris, Lamance Iris, Zigzag Iris
Iris paludicola — Giant Blue Iris
Iris parvicaerulea — Giant Blue Iris
Iris rivularis — Giant Blue Iris
Iris tripetala — Bay Blue-flag Iris, Flag, Savannah Iris
Iris venulosa — Giant Blue Iris
Iris wherryana — Giant Blue Iris
Isanthus brachiatus — Glade Blue Curls, False Pennyroyal, Fluxweed
Isnardia palustris — Common Water-purslane, Marsh Purslane, Marsh Seedbox
Isnardia repens — Creeping Seedbox
Isnardia spathulata — Southern Water-purslane
Isoetes caroliniana — Mountain Quillwort, Carolina Quillwort, Strong Quillwort
Isoetes engelmannii var. caroliniana — Mountain Quillwort, Carolina Quillwort, Strong Quillwort
Isoetes engelmannii var. engelmannii — Appalachian Quillwort
Isoetes engelmannii var. engelmannii — Engelmann's Quillwort, Appalachian Quillwort
Isoetes engelmannii var. engelmannii — Wintergreen Quillwort, Winter Quillwort, evergreen quillwort
Isolepis carinatus — Keeled Bulrush
Isolepis koilolepis — Keeled Bulrush
Isopappus divaricatus — Scratch-daisy, Goldenweed, Slender Scratch-daisy
Isotrema macrophylla — Dutchman's Pipe, Pipevine
Isotrema serpentarium — Turpentine-root, Virginia Snakeroot, Serpent Birthwort
Isotrema tomentosa — Woolly Dutchman's Pipe, Woolly Pipevine
Isotria affinis — Small Whorled Pogonia, Little Five-leaves
Iva annua var. annua — Sumpweed, Rough Marsh-elder, Annual Marsh-elder
Iva annua var. caudata — Sumpweed, Rough Marsh-elder, Annual Marsh-elder
Iva annua var. macrocarpa — Sumpweed, Rough Marsh-elder, Annual Marsh-elder
Iva caudata — Sumpweed, Rough Marsh-elder, Annual Marsh-elder
Iva ciliata — Sumpweed, Rough Marsh-elder, Annual Marsh-elder
Iva frutescens ssp. frutescens — Southern Maritime Marsh-elder, Southern Bigleaf Marsh-elder
Iva oraria — Northern Maritime Marsh-elder
Juncoides bulbosum — Bulbous Woodrush
Juncoides carolinae — Carolina Woodrush, Southern Hairy Woodrush
Juncoides echinatum — Hedgehog Woodrush, Spreading Woodrush
Juncoides saltuense — Hairy Woodrush
Juncus dichotomus var. dichotomus — Forked Rush
Juncus dichotomus var. platyphyllus — Forked Rush
Juncus effusus var. conglomeratus — Soft Rush, Common Rush
Juncus platyphyllus — Forked Rush
Juncus setaceus — Leathery Rush
Juncus tenuis var. dichotomus — Forked Rush
Juncus tenuis var. tenuis — Path Rush, Poverty Rush, Slender Rush
Juncus tenuis var. williamsii — Path Rush, Poverty Rush, Slender Rush
Juniperus sibirica — Ground Juniper, Mountain Juniper, Common Juniper
Jussiaea angustifolia — Mexican Primose-willow
Jussiaea decurrens — Wingstem Water-primrose, Wingleaf Primrose-willow
Jussiaea leptocarpa — Water-willow, Primrose Willow, Anglestem Primrose-willow
Jussiaea michauxiana — Showy Water-primrose, Large-flower Water-primrose
Jussiaea neglecta — South American Seedbox
Jussiaea scabra — Mexican Primose-willow
Jussiaea uruguayensis — Common Water-primrose
Justicia ovata var. angusta — Pineland Water-willow, Narrowleaf Water-willow
Kali tragus ssp. pontica — Southern Saltwort, Carolina Saltwort
Kali tragus ssp. tragus — Northern Saltwort
Kali tragus ssp. tragus — Russian Thistle, Tumbleweed
Kalmia angustifolia var. angustifolia — Northern Sheepkill, Sheep Laurel, Lamb-kill
Kalmia angustifolia var. carolina — Southern Sheepkill, Carolina Wicky, Carolina Sheep Laurel, Carolina Bog Myrtle
Kalmiella hirsuta — Hairy Wicky, Kalmiella
Kneiffia arenicola — Narrowleaf Sundrops
Kneiffia fruticosa — Narrowleaf Sundrops
Kneiffia glauca — Glaucous Sundrops
Kneiffia hybrida — Blue Ridge Sundrops
Kneiffia latifolia — Northern Sundrops, Appalachian Sundrops
Kneiffia linearis — Narrowleaf Sundrops
Kneiffia perennis — Little Sundrops, Small Sundrops
Kneiffia riparia — Riverbank Evening Primrose, Riverbank Sundrops
Kneiffia semiglandulosa — Narrowleaf Sundrops
Kneiffia tetragona — Northern Sundrops, Appalachian Sundrops
Kneiffia velutina — Northern Sundrops, Appalachian Sundrops
Koellia albescens — Whiteleaf Mountain-mint, White Mountain-mint
Koellia aristata — Awned Mountain-mint
Koellia beadlei — Beadle's Mountain-mint
Koellia clinopodioides — basil mountain-mint
Koellia curvipes — Tennessee Mountain-mint, Stone Mountain Mountain-mint, Stone Mountain-mint
Koellia flexuosa — Narrowleaf Mountain-mint, Slender Mountain-mint, Savanna Mountain-mint
Koellia hugeri — Savanna Mountain-mint, Savanna Mint
Koellia hyssopifolia — Savanna Mountain-mint, Savanna Mint
Koellia leptodon — Whorled Mountain-mint
Koellia leptodon — Torrey's Mountain-mint
Koellia montana — Appalachian Mountain-mint, Thinleaf Mountain-mint
Koellia mutica — Short-toothed Mountain-mint, Downy Mountain-mint, Clustered Mountain-mint
Koellia nuda — Smooth Mountain-mint
Koellia pycnanthemoides — Woodland Mountain-mint, Southern Mountain-mint
Koellia verticillata — Whorled Mountain-mint
Koellia virginiana — Virginia Mountain-mint
Kosteletzkya althaeifolia — Southern Seashore Mallow, Seashore Marshmallow, Virginia Saltmarsh Mallow, Fen-rose
Krameria spathulata — Trailing Ratany, Sandspur, Prairie-bur, Trailing Krameria
Kraunhia floribunda — Japanese Wisteria
Kraunhia frutescens — American Wisteria, Swamp Wisteria, Atlantic Wisteria
Kraunhia macrostachya — Mississippi Wisteria, American Wisteria, Swamp Wisteria, Kentucky Wisteria
Krigia caespitosa var. caespitosa — Opposite-leaf Dwarf-dandelion
Krigia cespitosa var. cespitosa — Opposite-leaf Dwarf-dandelion
Kuhnistera pinnata — Summer Farewell
Kuhnistera pinnata — Summer Farewell, Eastern Prairie-clover
Kyllinga brevifolioides — Asiatic Greenhead Sedge, Pasture Flatsedge
Lachnanthes tinctoria — Carolina Redroot
Lachnocaulon eciliatum — Brown Bogbutton
Lachnocaulon floridanum — Common Bogbuttons, Savanna Bogbuttons, Whitehead Bogbutton
Lachnocaulon glabrum — Common Bogbuttons, Savanna Bogbuttons, Whitehead Bogbutton
Lacinaria gracilis — Slender Blazing-star
Lacinaria polyphylla — Narrowleaf Blazing-star, Smallhead Blazing-star
Laciniaria aspera var. aspera — Rough Blazing-star
Laciniaria aspera var. spheroidea — Rough Blazing-star
Laciniaria chapmanii — Chapman's Blazing-star
Laciniaria chlorolepis — Garber’s Blazing-star
Laciniaria elegans — Common Elegant Blazing-star
Laciniaria elegans — Kral's Elegant Blazing-star
Laciniaria flabellata — Common Elegant Blazing-star
Laciniaria garberi — Garber’s Blazing-star
Laciniaria gracilis — Slender Blazing-star
Laciniaria graminifolia — Grassleaf Blazing-star, Shaggy Blazing-star
Laciniaria helleri — Smooth Blazing-star, Heller's Blazing-star
Laciniaria laxa — Slender Blazing-star
Laciniaria microcephala — Narrowleaf Blazing-star, Smallhead Blazing-star
Laciniaria nashii — Garber’s Blazing-star
Laciniaria pycnostachya — Prairie Blazing-star
Laciniaria regimontis — Wand Blazing-star
Laciniaria ruthii — Southern Blazing-star, Earle's Blazing-star, Appalachian Blazing-star
Laciniaria scariosa — Northern Blazing-star
Laciniaria secunda — Sandhill Blazing-star, One-sided Blazing-star, Lax Blazing-star
Laciniaria shortii — Southern Blazing-star, Earle's Blazing-star, Appalachian Blazing-star
Laciniaria smallii — Wand Blazing-star
Laciniaria spicata — Dense Blazing-star, Mountain Blazing-star, Florist's Gayfeather, Dense Gayfeather
Laciniaria spicata — Dense Blazing-star, Bog Blazing-star
Laciniaria squarrosa — Scaly Blazing-star, Squarrose Gayfeather, Longbracted Blazing-star
Laciniaria tenuifolia — Shortleaf Blazing-star, Shortleaf Gayfeather, Slender Blazing-star
Laciniaria tracyi — Southern Blazing-star, Earle's Blazing-star, Appalachian Blazing-star
Lactuca floridana var. villosa — Woodland Lettuce
Lactuca hirsuta var. hirsuta — Red Wood Lettuce, Downy Lettuce, Hairy Lettuce
Lactuca sagittifolia — American Wild Lettuce, Canada Lettuce
Lactuca serriola var. integrata — Prickly Lettuce
Lactuca virosa — Prickly Lettuce
Lantana camara ssp. camara — Common Lantana, Hedgeflower
Lantana sellowiana — Trailing Shrub-verbena, Polecat-geranium, Trailing Lantana
Lapithea capitata — Cumberland Rose-gentian, Appalachian Rose-gentian
Lapithea gentianoides — Pinewoods Rose-gentian, Pinewoods Rose-pink
Lappula virginiana — Virginia Stickseed
Lasiococcus dumosus — Southern Dwarf Huckleberry
Lasiococcus mosieri — Mosier's Huckleberry, Hirsute Huckleberry
Lasiococcus orocola — Blue Ridge Bog Huckleberry, Blue Ridge Huckleberry
Laurocerasus caroliniana — Carolina Cherry Laurel, Carolina Laurel Cherry
Lavauxia triloba — Stemless Evening Primrose
Leavenworthia exigua — Tennessee Gladecress, Least Glade-cress
Lechea myriophylla — Deckert's Pinweed
Lecticula resupinata — Northeastern Bladderwort, Resupinate Bladderwort, Lavender Bladderwort
Leiophyllum buxifolium var. prostratum — Sand-myrtle, Mountain Myrtle
Leiophyllum hugeri — Sand-myrtle, Mountain Myrtle
Leiophyllum lyonii — Sand-myrtle, Mountain Myrtle
Leontodon erythrospermum — Red-seeded Dandelion
Leontodon taraxacum — Common Dandelion
Lepidium virginicum ssp. virginicum — Poor Man's Pepper, Peppergrass
Leptamnium virginianum — Beechdrops
Leptilon bonariense — South American Horseweed, Hairy Fleabane
Leptilon canadense — Common Horseweed
Leptilon linifolium — South American Horseweed, Hairy Fleabane
Leptilon pusillum — Southern Horseweed
Leptoglottis floridana — Florida Sensitive-briar, Powderpuff Mimosa
Leptoglottis microphylla — Littleleaf Sensitive-briar, Eastern Sensitive-briar
Lespedeza hirta ar. intercursa — Narrow-leaved Lespedeza, Narrowleaf Bush-clover
Lespedeza stuvei — Velvety Lespedeza, Stueve's Bush-clover, Tall Lespedeza
Leucaena glauca — White Leadtree, Leucaena, Jumbie-bean, Hairy Leadtree
Leucanthemum leucanthemum — Oxeye Daisy, Common Daisy
Leucocasia gigantea — Giant Elephant's-ear, Indian Taro
Leucothoe acuminata — Tall Fetterbush, Florida Leucothoe, Florida Hobblebush, Agarista
Leucothoe catesbaei — Mountain Doghobble, Highland Doghobble, Switch-ivy
Leucothoe editorum — Mountain Doghobble, Highland Doghobble, Switch-ivy
Leucothoe walteri — Mountain Doghobble, Highland Doghobble, Switch-ivy
Liatris elegans var. flabellata — Common Elegant Blazing-star
Liatris graminifolia var. virgata — Wand Blazing-star
Liatris pauciflora var. secunda — Sandhill Blazing-star, One-sided Blazing-star, Lax Blazing-star
Liatris spheroidea — Rough Blazing-star
Lilaeopsis attenuata — Carolina Lilaeopsis, Carolina Grasswort, Carolina Strapwort
Lilaeopsis lineata — Marsh Lilaeopsis, Eastern Grasswort, Tidal Strapwort, Fiddler-crab Turf
Lilium canadense ssp. editorum — Canada Lily
Lilium carolinianum — Carolina Lily, Michaux’s Lily
Lilium catesbaei ssp. asperellum — Pine Lily, Catesby's Lily, Leopard Lily
Lilium catesbaei ssp. catesbaei — Pine Lily, Catesby's Lily, Leopard Lily
Lilium catesbaei var. longii — Pine Lily, Catesby's Lily, Leopard Lily
Lilium tigrinum — Tiger Lily
Limodorum multiflorum — Many-flowered Grass-pink
Limodorum pallidum — Pale Grass-pink
Limodorum parviflorum — Bearded Grass-pink
Limodorum pinetorum — Many-flowered Grass-pink
Limodorum tuberosum — Common Grass-pink
Limonium angustatum — Carolina Sea-lavender, Seaside Thrift, Inkroot, Marsh Rosemary
Limonium nashii — Carolina Sea-lavender, Seaside Thrift, Inkroot, Marsh Rosemary
Limonium nashii + — Carolina Sea-lavender, Seaside Thrift, Inkroot, Marsh Rosemary
Limonium obtusilobum — Carolina Sea-lavender, Seaside Thrift, Inkroot, Marsh Rosemary
Linaria canadensis var. canadensis — Oldfield Toadflax, Common Toadflax, Canada Toadflax
Linaria canadensis var. texana — Texas Toadflax
Linaria genistifolia ssp. dalmatica — Dalmation Toadflax
Linaria linaria — Butter-and-eggs, Yellow Toadflax, Wild-snapdragon
Lindera benzoin var. benzoin — Northern Spicebush, Wild Allspice
Lindera benzoin var. pubescens — Northern Spicebush, Wild Allspice
Linum floridanum — Yellow-fruited Yellow Flax, Florida yellow flax
Linum floridanum — Florida Yellow Flax, Savanna Flax
Liriodendron tulipifera var. obtusiloba — Coastal Plain Tulip-tree, Southern Yellow Poplar
Liriodendron tulipifera var. obtusiloba — Tulip-tree, Yellow Poplar, Whitewood
Liriope spicatum — Creeping Lily-turf, Liriope
Lobelia bracteata — Pale Spiked Lobelia, Palespike Lobelia
Lobelia cardinalis ssp. cardinalis — Cardinal Flower
Lobelia glandulifera — Georgia Lobelia, southern lobelia
Lobelia leptostachys — Pale Spiked Lobelia, Palespike Lobelia
Lobelia puberula var. mineolana — Downy Lobelia, Hairy Lobelia
Lobelia puberula var. pauciflora — Downy Lobelia, Hairy Lobelia
Lobelia puberula var. simulans — Downy Lobelia, Hairy Lobelia
Lobelia siphilitica var. ludoviciana — Great Blue Lobelia
Lobelia spicata var. campanulata — Pale Spiked Lobelia, Palespike Lobelia
Lobelia spicata var. leptostachys — Pale Spiked Lobelia, Palespike Lobelia
Lobelia spicata var. scaposa — Pale Spiked Lobelia, Palespike Lobelia
Lolium perenne var. aristatum — Italian Ryegrass, Annual Ryegrass
Lolium perenne var. perenne — English Ryegrass, Perennial Ryegrass
Lonicera bella — Bell's Honeysuckle, Pretty Honeysuckle, Showy Honeysuckle
Lonicera dioica var. dioica — Smooth Honeysuckle, Mountain Coral Honeysuckle, Limber Honeysuckle
Lonicera dioica var. glaucescens — Smooth Honeysuckle, Mountain Coral Honeysuckle, Limber Honeysuckle
Lonicera flavida — Yellow Honeysuckle
Lonicera glaucescens — Smooth Honeysuckle, Mountain Coral Honeysuckle, Limber Honeysuckle
Lonicera morrowi — Morrow's Honeysuckle
Lonicera sempervirens var. hirsutula — Coral Honeysuckle, Trumpet Honeysuckle, Scarlet Honeysuckle, Woodbine
Lonicera sempervirens var. sempervirens — Coral Honeysuckle, Trumpet Honeysuckle, Scarlet Honeysuckle, Woodbine
Lophiola septentrionalis — Goldencrest
Lotus americanus — Carolina Prairie-trefoil
Lotus purshianus var. helleri — Carolina Prairie-trefoil
Ludwigia grandiflora var. grandiflora — Showy Water-primrose, Large-flower Water-primrose
Ludwigia grandiflora var. hexapetala — Common Water-primrose
Ludwigia natans — Creeping Seedbox
Ludwigia octovalvis ssp. octovalvis — Mexican Primose-willow
Ludwigia octovalvis ssp. sessiliflora — Mexican Primose-willow
Ludwigiantha arcuata — Pondshore Seedbox, piedmont primrose-willow, Needleleaf Ludwigia
Lunaria annua ssp. annua — Money Plant, Annual Honesty, Silver-dollar Plant
Lupinus nuttallii — Southern Sundial Lupine
Lupinus perennis ssp. perennis var. occidentalis — Northern Sundial Lupine
Luzula campestris var. bulbosa — Bulbous Woodrush
Luzula campestris var. echinata — Hedgehog Woodrush, Spreading Woodrush
Luzula campestris var. multiflora — Common Woodrush
Luzula multiflora ssp. multiflora — Common Woodrush
Lycium carolinianum var. quadrifidum — Christmas-berry, Carolina Matrimony-vine
Lycopodiella caroliniana — Carolina Bog-clubmoss, Slender Clubmoss
Lycopodiella caroliniana — Florida Bog Clubmoss
Lycopodiella caroliniana var. meridionalis — Florida Bog Clubmoss
Lycopodiella cernua — Nodding Clubmoss, Staghorn Clubmoss
Lycopodioides apodum — Meadow Spikemoss
Lycopodioides ludovicianum — Louisiana Spikemoss, Gulf Spikemoss
Lycopodium adpressum — Southern Bog-clubmoss
Lycopodium cernuum — Nodding Clubmoss, Staghorn Clubmoss
Lycopodium inundatum var. bigelovii — Southern Bog-clubmoss
Lycopodium obscurum var. isophyllum — Hickey's Tree-clubmoss, Pennsylvania Ground-pine
Lycopodium prostratum — Featherstem Clubmoss, Prostrate Bog-clubmoss
Lycopodium selago var. appressum — Appalachian Firmoss, Appalachian Fir-clubmoss
Lycopodium selago var. selago — Appalachian Firmoss, Appalachian Fir-clubmoss
Lycopus ×sherardi — bugleweed, water horehound
Lycopus velutinus — Stalked Bugleweed, Taperleaf Bugleweed
Lyonia palustris — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort, Marsh Cynanchum
Lysias orbiculata — Large Round-leaved Orchid, Dessert-plate Orchid
Lysimachia arvensis — Scarlet Pimpernel, Poor Man's Weatherglass
Lysimachia borealis — Northern Starflower, Maystar
Lysimachia minima — Chaffweed, False-pimpernel
Macbridea pulchra — Carolina Birds-in-a-nest, Carolina Macbridea, Carolina Bogmint
Magnolia cordata — Piedmont Cucumber Magnolia, Yellow Cucumber-tree, Showy Cucumber Magnolia
Magnolia fraseri ssp. pyramidata — Pyramid Magnolia
Magnolia fraseri var. pyramidata — Pyramid Magnolia
Magnolia macrophylla ssp. ashei — Ashe's Magnolia
Magnolia macrophylla ssp. macrophylla — Bigleaf Magnolia, Large-leaved Magnolia, Umbrella Tree
Magnolia macrophylla var. ashei — Ashe's Magnolia
Malachodendron pentagynum — Mountain Camellia, Mountain Stewartia
Malaxis floridana — Florida Adder's-mouth
Malus angustifolia var. angustifolia — Southern Crabapple, Wild Crabapple
Malus angustifolia var. puberula — Southern Crabapple, Wild Crabapple
Malus angustifolia var. puberula — Sweet Crabapple, Wild Crabapple
Malus bracteata — Sweet Crabapple, Wild Crabapple
Malus glaucescens — Sweet Crabapple, Wild Crabapple
Malus lancifolia — Sweet Crabapple, Wild Crabapple
Malus malus — Common Apple
Malus sylvestris — Common Apple
Malva rotundifolia — Common Mallow, Cheeses
Malvaviscus arboreus var. mexicanus — Wax Mallow
Malvaviscus arboreus var. penduliflorus — Turk’s-cap Mallow, Mazapan
Manfreda tigrina — Eastern Agave, Eastern False-aloe, Rattlesnake-master, American Aloe
Manfreda virginica ssp. virginica — Eastern Agave, Eastern False-aloe, Rattlesnake-master, American Aloe
Manisuris campestris — Carolina Jointgrass
Manisuris exaltata — Itch-grass
Mappia origanoides — Wild-oregano, American Dittany, Stone-mint
Marginaria polypodioides — Resurrection Fern, Scaly Polypody
Mariana mariana — Blessed Milk-thistle, Blessed-thistle, Milk-thistle
Marilaunidium jamaicense — Jamaica Weed, Fiddleleaf, Fiddleleaf Nama
Mariscus jamaicensis — Sawgrass
Marshallia graminifolia ssp. tenuifolia — Grassleaf Barbara's-buttons, Gulf Coast Barbara's-buttons
Marshallia laciniarioides — Grassleaf Barbara's-buttons
Marshallia obovata — Piedmont Barbara's-buttons, Spoon-leaved Barbara's-buttons, Spoon-shaped Barbara's-buttons
Marshallia obovata — Sandhill Marshallia, Savanna Barbara's-buttons, Spoon-shaped Barbara's-buttons
Marshallia tenuifolia — Grassleaf Barbara's-buttons, Gulf Coast Barbara's-buttons
Marshallia williamsonii — Grassleaf Barbara's-buttons
Martiusia mariana — Butterfly-pea
Maruta cotula — Stinking Chamomile, Stinking Mayweed, Dog-fennel, Chigger-weed
Matelea suberosa — Eastern Anglepod
Matricaria maritima — Scentless Chamomile, False Chamomile, Mayweed
Matricaria parthenium — Feverfew, Feather-leaf Tansy
Medicago falcata — Alfalfa, Lucerne, Blue Alfalfa
Medicago hispida — Toothed Medick, Smooth Bur-clover
Medicago sativa ssp. falcata — Alfalfa, Lucerne, Blue Alfalfa
Meibomia acuminata — Heartleaf Tick-trefoil, Clusterleaf Tick-trefoil, Pointedleaf Tick-Trefoil
Meibomia arenicola — Matted Tick-trefoil, Sand Tick-trefoil
Meibomia canescens — Hoary Tick-trefoil
Meibomia chapmanii — Panicled Tick-trefoil
Meibomia ciliaris — Hairy Small-leaf Tick-trefoil, Littleleaf Tick-trefoil
Meibomia dillenii — Perplexing Tick-trefoil, Dillen's Tick-trefoil
Meibomia laevigata — Smooth Tick-trefoil
Meibomia marilandica — Smooth Small-leaf Tick-trefoil, Maryland Tick-trefoil
Meibomia michauxii — Roundleaf Tick-trefoil, Dollarleaf, Prostrate Tick-trefoil, Sessileleaf Tick-trefoil
Meibomia nudiflora — Naked Tick-trefoil, Naked-flowered Tick Trefoil, Woodland Tick-trefoil
Meibomia ochroleuca — White Tick-trefoil, Creamflower Tick-trefoil, Cream Tick-trefoil
Meibomia paniculata — Panicled Tick-trefoil
Meibomia paniculata — Tall Tick-trefoil, Dillen's Tick-trefoil
Meibomia pauciflora — Fewflower Tick-trefoil
Meibomia polymorpha — Matted Tick-trefoil, Sand Tick-trefoil
Meibomia pubens — Panicled Tick-trefoil
Meibomia pubens — Tall Tick-trefoil, Dillen's Tick-trefoil
Meibomia purpurea — Florida Tick-trefoil, dixie tick-trefoil
Meibomia rhombifolia — Fernald's Tick-trefoil
Meibomia rhombifolia — Florida Tick-trefoil
Meibomia rigida — Stiff Tick-trefoil
Meibomia sessilifolia — Sessile-leaf Tick-trefoil
Meibomia stricta — Pinebarren Tick-trefoil, Pineland Tick-trefoil, Upland Slender Tick-trefoil
Meibomia tenuifolia — Slimleaf Tick-trefoil, Savanna Slender Tick-trefoil
Meibomia viridiflora — Nuttall's Tick-trefoil
Meibomia viridiflora — Velvety Tick-trefoil, Velvety Tick-clover
Melaleuca leucadendra — Paperbark Tree, Melaleuca, Punktree, Cajeput Tree
Melaleuca leucodendron — Paperbark Tree, Melaleuca, Punktree, Cajeput Tree
Melampyrum lineare var. americanum — Cow-wheat
Melampyrum lineare var. latifolium — Cow-wheat
Melampyrum lineare var. lineare — Cow-wheat
Melampyrum lineare var. pectinatum — Cow-wheat
Melanthera deltoidea — Snowy Black-anthers, Snow Squarestem
Melanthera ligulata — Snowy Black-anthers, Snow Squarestem
Melanthium dispersum — Virginia Bunchflower, Bog Bunchflower
Melanthium latifolium — Crisped Bunchflower, Broadleaf Bunchflower, Slender Bunchflower
Melochia villosa — Bretonica-peluda
Melothria microcarpa — Creeping Cucumber
Melothria nashii — Creeping Cucumber
Melothria pendula var. aspera — Creeping Cucumber
Melothria pendula var. crassifolia — Creeping Cucumber
Mentha ×piperita — Peppermint
Mentha arvensis × spicata — Small-leaved Mint
Mentha arvensis var. canadensis — Canada Mint, Field Mint, Wild Mint
Mentha arvensis var. villosa — Canada Mint, Field Mint, Wild Mint
Mentha gentilis — Small-leaved Mint
Mentha gracilis — Small-leaved Mint
Merione sp. 1 — Florida Wild Yam
Mesadenia atriplicifolia — Pale Indian-plantain
Mesadenia diversifolia — Variable-leaf Indian-plantain
Mesadenia elliottii — Broadleaf Indian-plantain, Ovateleaf Indian-plantain, Ovateleaf Cacalia
Mesadenia lanceolata — Savanna Indian-plantain
Mesadenia maxima — Broadleaf Indian-plantain, Ovateleaf Indian-plantain, Ovateleaf Cacalia
Mesadenia reniformis — Great Indian-plantain
Micheliella verticillata — Whorled Horsebalm
Micrampelis lobata — Wild-cucumber, Wild Balsam-apple
Micranthes petiolaris — Michaux's Saxifrage, Cliff Saxifrage
Micranthes petiolaris — Escarpment Saxifrage, Shealy's Saxifrage
Micranthes tennesseensis — Carolina Saxifrage
Microstegium vimineum var. imberbe — Japanese Stiltgrass, Japanese-grass, Nepalese Browntop, Nepal Grass
Microstegium vimineum var. vimineum — Japanese Stiltgrass, Japanese-grass, Nepalese Browntop, Nepal Grass
Mimosa illinoensis — Illinois Bundleflower, Prairie Mimosa, Common Bundleflower
Mimosa quadrivalvis var. angustata — Littleleaf Sensitive-briar, Eastern Sensitive-briar
Minuartia alabamensis — Piedmont Sandwort, One-flower Sandwort
Mirabilis japala — Garden Four-o'clock, Marvel-of-Peru, Morning-rose
Mirabilis lindheimeri — Garden Four-o'clock, Marvel-of-Peru, Morning-rose
Miscanthus sinensis var. variegatus — Chinese Silvergrass, Eulalia
Miscanthus sinensis var. zebrinus — Chinese Silvergrass, Eulalia
Monarda ×media — Purple Beebalm, Purple Bergamot
Monarda citriodora ssp. citriodora — Lemon Bergamot, Lemon Mint
Monarda dispersa — Lemon Bergamot, Lemon Mint
Monarda fistulosa var. clinopodia — Basil Bergamot, Basil Beebalm, White Bergamot, Basil Balm
Monarda punctata ssp. punctata — Eastern Horsemint, Spotted Beebalm
Mononeuria caroliniana — Carolina Sandwort, Longroot, Pine-barren Sandwort
Mononeuria glabra — Appalachian Sandwort
Mononeuria groenlandica — Mountain Sandwort, Greenland Sandwort
Mononeuria paludicola — Godfrey's Sandwort
Mononeuria patula — Lime-barren Sandwort, Glade Sandwort
Mononeuria uniflora — Piedmont Sandwort, One-flower Sandwort
Monotropsis lehmaniae — Appalachian Pygmy Pipes, Sweet Pinesap
Monotropsis odorata var. lehmaniae — Appalachian Pygmy Pipes, Sweet Pinesap
Morus murrayana — Red Mulberry
Morus nigra — White Mulberry, Silkworm Mulberry, Russian Mulberry
Muhlenbergia capillaris var. capillaris — Pink Muhlygrass, Upland Muhly, Hair-awn Muhly, Hairgrass
Muhlenbergia capillaris var. filipes — Dune Hairgrass, Sweetgrass
Muhlenbergia capillaris var. trichopodes — Savannah Hairgrass, Cut-over Muhly
Muhlenbergia foliosa — Hairy Wirestem Muhly, Mexican Muhly
Muhlenbergia mexicana var. filiformis — Hairy Wirestem Muhly, Mexican Muhly
Muhlenbergia mexicana var. mexicana — Hairy Wirestem Muhly, Mexican Muhly
Muhlenbergia sylvatica var. sylvatica — Woodland Muhly
Muhlenbergia umbrosa — Woodland Muhly
Mulgedium floridanum — Woodland Lettuce
Mulgedium spicatum var. integrifolium — Tall Blue Lettuce, Blue Wood Lettuce
Mulgedium spicatum var. spicatum — Tall Blue Lettuce, Blue Wood Lettuce
Mulgedium villosum — Woodland Lettuce
Muricauda dracontium — Green Dragon
Muricauda dracontium — Green Dragon
Muscadinia munsoniana — Munson Grape, Bullace Grape
Muscadinia rotundifolia — Muscadine, Scuppernong
Muscari atlanticum — Starch Grape-hyacinth, Blue Bottles
Myosotis palustris — Water Scorpion-grass, True Forget-me-not
Myosotis versicolor — Yellow-and-blue Scorpion-grass, Changing Forget-me-not
Myosotis virginica — Spring Forget-me-not, Early Forget-me-not, Early Scorpion-grass
Myrica asplenifolia var. asplenifolia — Sweet-fern
Myrica asplenifolia var. tomentosa — Sweet-fern
Myrica caroliniensis — Pocossin Bayberry, Evergreen Bayberry, Swamp Candleberry, Southern Bayberry
Myrica cerifera — Common Wax-myrtle, Southern Bayberry
Myrica cerifera — Dwarf Wax-myrtle, Dwarf Bayberry
Myrica inodora — Scentless Bayberry, Odorless Bayberry
Myrica pusilla — Dwarf Wax-myrtle, Dwarf Bayberry
Myriophyllum exalbescens — Common Water-milfoil
Myriophyllum proserpinacoides — Parrot-feather
Nabalus integrifolius — Barbed Rattlesnake-root, Flatwoods Rattlesnake-root, Prairie Lion’s-foot
Nabalus integrifolius — Lion's-foot Rattlesnake-root, Gall-of-the-Earth
Nabalus serpentarius — Lion's-foot Rattlesnake-root, Gall-of-the-Earth
Nabalus trifoliatus — Gall-of-the-earth, Three-leaved Rattlesnake-root
Nabalus virgatus — Slender Rattlesnake-root, One-sided Rattlesnake-root
Naias guadelupensis — Southern Naiad, Southern Waternymph, Common Naiad
Najas ancistrocarpa — Narrowleaf Naiad, needleleaf waternymph
Nama corymbosum — Tall Hydrolea, Skyflower
Nama ovatum — Ovate False Fiddleleaf, Blue Waterleaf, Hairy Hydrolea, Ovate Fiddleleaf
Nama quadrivalve — Waterpod
Narcissus poeticus × pseudonarcissus — Nonesuch Daffodil
Narrowleaf — Narrowleaf Meadowsweet, Pipestem
Nasturtium austriacum — Austrian Yellowcress, Yellow Cress
Nasturtium officinale var. microphyllum — Narrow-fruited Watercress, One-row Yellowcress
Nasturtium officinale var. officinale — Watercress
Nasturtium officinale var. siifolium — Watercress
Negundo negundo — Eastern Box Elder, Ash-leaved Maple, River Maple
Nemexia biltmoreana — Biltmore Carrionflower
Nemexia ecirrhata — Upright Carrionflower
Nemexia herbacea — Common Carrionflower, Smooth Carrionflower
Nemexia hugeri — Huger's Carrionflower
Nemexia lasioneuron — Midwestern Carrionflower
Nemexia pulverulenta — Downy Carrionflower
Nemexia tamnifolia — Coastal Carrionflower, Bamboo-vine
Nemopanthus collinus — Long-stalked Holly, Cherry Holly
Nemopanthus mucronatus — Catberry, Nemopanthus
Nemophila triloba — Baby Blue Eyes, Small-flower Baby-blue-eyes, White Nemophila, Eastern Baby-blue-eyes
Neocleome spinosa — Cleome, Spiderflower, Pinkqueen
Neopieris mariana — Staggerbush, Large-flowered Fetterbush
Neubeckia cristata — Dwarf Crested Iris
Neubeckia verna — Coastal Plain Dwarf Iris, Sandhill Iris, Coastal Plain Violet Iris
Neubeckia verna — Upland Dwarf Iris, Upland Dwarf Violet Iris
Nintooa japonica — Japanese Honeysuckle
Norta altissima — Tumble Mustard, Jim Hill Mustard, Tall Hedge-mustard
Notholaena sinuata var. sinuata — Wavy Cloak Fern, Wavy Scaly Cloak Fern
Notholcus lanatus — Velvet-grass, Soft Grass
Nuphar advena ssp. advena — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily
Nymphaea advena — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily
Nymphaea chartacea — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily
Nymphaea fluviatilis — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily
Nymphaea macrophylla — Spatterdock, Broadleaf Pondlily, Cow-lily, Yellow Pond Lily
Nymphaea sagittifolia — Narrowleaf Pondlily, Cow-lily, Spatterdock, Bonnets
Nymphoides aquaticum — Big Floating Heart, Banana Floating Heart
Nymphoides cordatum — Little Floating Heart
Nymphoides lacunosum — Little Floating Heart
Nymphoides peltatum — Yellow Floating Heart
Nyssa acuminata — Ogeechee Tupelo, Ogeechee Lime, Ogeechee Plum
Nyssa biflora var. ursina — Bear Tupelo, Apalachicola Tupelo
Nyssa sylvatica var. ursina — Bear Tupelo, Apalachicola Tupelo
Nyssa uniflora — Water Tupelo, Cotton Gum, Tupelo Gum
Oakesiella puberula — Mountain Bellwort, Appalachian Bellwort, Carolina Bellwort, Coastal Bellwort
Oakesiella sessilifolia — Wild-oats, Sessile-leaf Bellwort, Straw-lily
Oceanorus leimanthoides — Pinebarrens Death-camas
Odontostephana carolinensis — Carolina Spinypod, Climbing Milkweed, Climbing Milkvine, Maroon Carolina Milkvine
Odontostephana decipiens — Deceptive Spinypod
Odontostephana flavidula — Yellow Spinypod, Yellow Carolina Milkvine
Odontostephana floridana — Florida Milkvine
Odontostephana obliqua — Northern Spinypod, Limerock Milkvine, Climbing Milkvine
Odontostephana shortii — Northern Spinypod, Limerock Milkvine, Climbing Milkvine
Oenothera austromontana — Nodding Evening-primrose
Oenothera biennis var. austromontana — Nodding Evening-primrose
Oenothera biennis var. nutans — Nodding Evening-primrose
Oenothera drummondii ssp. drummondii — Beach Evening Primrose, Drummond's Evening Primrose
Oenothera fruticosa ssp. glauca — Northern Sundrops, Appalachian Sundrops
Oenothera fruticosa ssp. glauca — Glaucous Sundrops
Oenothera fruticosa ssp. glauca — Blue Ridge Sundrops
Oenothera fruticosa var. unguiculata — Coastal Sundrops
Oenothera tetragona ssp. glauca — Glaucous Sundrops
Oenothera tetragona ssp. glauca — Blue Ridge Sundrops
Oenothera tetragona ssp. glauca var. riparia — Riverbank Evening Primrose, Riverbank Sundrops
Oenothera tetragona ssp. tetragona var. tetragona — Northern Sundrops, Appalachian Sundrops
Oenothera tetragona ssp. tetragona var. velutina — Northern Sundrops, Appalachian Sundrops
Oenothera tetragona var. hybrida — Blue Ridge Sundrops
Oenothera tetragona var. latifolia — Northern Sundrops, Appalachian Sundrops
Oenothera tetragona var. tetragona — Northern Sundrops, Appalachian Sundrops
Oldenlandia fasciculata — Oldenlandia, Clustered Bluet
Oligoneuron jacksonii — Southeastern Stiff Goldenrod, Southeastern Bold Goldenrod
Oligoneuron rigidum — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod, Stiff-leaved Goldenrod
Onoclea sensibilis var. sensibilis — Sensitive Fern, Bead Fern
Onosmodium molle — Western Marbleseed
Onosmodium molle ssp. occidentale — Western Marbleseed
Onosmodium occidentale — Western Marbleseed
Ophioglossum crotalophoroides var. crotalophoroides — Bulbous Adder's-tongue, Dwarf Adder's Tongue
Ophioglossum crotalophoroides var. nanum — Bulbous Adder's-tongue, Dwarf Adder's Tongue
Ophioglossum dendroneuron — Slender Adder's-tongue
Ophioglossum floridanum — Longstem Adder's-tongue, Stalked Adder's-tongue Fern, Longstem Adder's-tongue
Ophioglossum mononeuron — Slender Adder's-tongue
Ophioglossum pumilio — Slender Adder's-tongue
Ophioglossum tenerum — Slender Adder's-tongue
Ophrys australis — Southern Twayblade
Ophrys smallii — Kidneyleaf Twayblade, Appalachian Twayblade, Small's Twayblade
Oplismenus compositus — Shortleaf Basketgrass, Woods-grass, Bristle Basketgrass
Oplismenus hirtellus — Wavyleaf Basketgrass
Oplismenus hirtellus — Shortleaf Basketgrass, Woods-grass, Bristle Basketgrass
Opulaster australis — Flowering Ninebark, Eastern Ninebark
Opulaster opulifolius — Flowering Ninebark, Eastern Ninebark
Opuntia calcicola — Eastern Prickly-pear
Opuntia humifusa var. humifusa — Eastern Prickly-pear
Opuntia humifusa var. humifusa — Common Eastern Prickly-pear
Opuntia humifusa var. humifusa — Eastern Prickly-pear
Opuntia humifusa var. humifusa — Southern Prickly-pear
Opuntia impedita — Eastern Prickly-pear
Opuntia impedita — Southern Prickly-pear
Opuntia lata — Southern Prickly-pear
Opuntia macrarthra — Eastern Prickly-pear
Opuntia monacanthos — South American Prickly-pear, Common Prickly-pear, Drooping Prickly-pear
Opuntia opuntia — Common Eastern Prickly-pear
Opuntia opuntia — Eastern Prickly-pear
Opuntia pollardii — Eastern Prickly-pear
Opuntia tracyi — Dune Prickly-pear, Dune Devil-joint, Devils-joint Cactus, Little Prickly-pear
Opuntia tunoidea — Coastal Prickly-pear, Shell Midden Prickly-pear, Erect Prickly-pear
Orbexilum gracile — Eastern Sampson's-snakeroot
Orbexilum pedunculatum var. gracile — Eastern Sampson's-snakeroot
Orobanche uniflora ssp. uniflora — One-flowered Cancer-root, One-flowered Broomrape, Ghostpipe
Orobanche uniflora var. uniflora — One-flowered Cancer-root, One-flowered Broomrape, Ghostpipe
Orthodon dianthera — Miniature Beefsteak-plant, Mosla
Osmanthus americanus — Devilwood, Wild Olive
Osmorrhiza claytonii — Bland Sweet Cicely, Hairy Sweet Cicely
Osmorrhiza longistylis — Aniseroot, Smooth Sweet Cicely, Longstyle Sweet-cicely
Osmunda cinnamomea var. glandulosa — Cinnamon Fern
Osmunda claytoniana var. claytoniana — Interrupted Fern
Osmunda regalis — American Royal Fern
Osmundastrum cinnamomeum var. cinnamomeum — Cinnamon Fern
Osmundastrum cinnamomeum var. glandulosum — Cinnamon Fern
Osmundastrum claytonianum — Interrupted Fern
Osmundopteris virginiana — Rattlesnake Fern, Sang-find
Ostrya virginiana var. virginiana — American Hop-hornbeam, Ironwood, Eastern Hop-hornbeam, Leverwood
Oxalis acetosella ssp. montana — Mountain Wood-sorrel, American Wood-sorrel, Wood Shamrock, White Wood-sorrel
Oxalis articulata ssp. rubra — Windowbox Wood-sorrel
Oxalis corymbosa — pink woodsorrel
Oxalis dillenii ssp. dillenii — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel
Oxalis dillenii ssp. filipes — Flowering Yellow Wood-sorrel
Oxalis europaea — Common Yellow Wood-sorrel
Oxalis filipes — Flowering Yellow Wood-sorrel
Oxalis florida var. filipes — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel
Oxalis florida var. florida — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel
Oxalis priceae — Sadie Price’s Yellow Wood-sorrel
Oxalis recurva — Flowering Yellow Wood-sorrel
Oxalis recurva — Sadie Price’s Yellow Wood-sorrel
Oxalis recurva var. macrantha — Sadie Price’s Yellow Wood-sorrel
Oxalis recurva var. recurva — Flowering Yellow Wood-sorrel
Oxalis repens — Creeping Lady's-sorrel
Oxybaphus nyctagineus — Heart-leaved Umbrella-wort, Heartleaf Four-o’clock
Oxycoccus macrocarpus — Cranberry, Large Cranberry
Oxycoccus microcarpon — Small Cranberry
Oxycoccus microcarpon — Cranberry, Large Cranberry
Oxypolis denticulata — Savanna Cowbane
Oxypolis turgida — Cowbane, Pig-potato, Stiff Cowbane
Oxytria albiflora — White Sunnybell
Oxytria crocea — Yellow Sunnybell
Oxytria texana — Texas Sunnybell
Pachistima canbyi — Canby's Mountain Lover, Ratstripper, Cliff-green
Pachystima canbyi — Canby's Mountain Lover, Ratstripper, Cliff-green
Packera millefolia — Blue Ridge Ragwort, Yarrowleaf Ragwort, Divided-leaf Ragwort, Blue Ridge Groundsel
Packera schweinitzianus — Robbins' Ragwort, New England Ragwort, New England Groundsel, Schweinitz's Ragwort
Padus alabamensis — Alabama Black Cherry
Padus australis — Alabama Black Cherry
Padus cuthbertii — Alabama Black Cherry
Padus nana — Choke Cherry, Common Chokecherry
Padus serotina — Black Cherry, Eastern Wild Black Cherry, Bird Cherry
Padus virginiana — Black Cherry, Eastern Wild Black Cherry, Bird Cherry
Paepalanthus anceps — Common Bogbuttons, Savanna Bogbuttons, Whitehead Bogbutton
Paepalanthus beyrichianus — Southern Bogbuttons
Palhinhaea cernua var. cernua — Nodding Clubmoss, Staghorn Clubmoss
Panicularia septentrionalis — Eastern Mannagrass, Floating Mannagrass
Panicularia striata — Fowl Mannagrass
Panicum aculeatum — Tall Swamp Witchgrass
Panicum acuminatum var. fasciculatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum acuminatum var. lindheimeri — Lindheimer's Witchgrass
Panicum acuminatum var. unciphyllum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum agrostoides — Redtop Panicgrass
Panicum agrostoides var. elongatum — Tall Flat Panicgrass, Stalked Panicgrass
Panicum agrostoides var. ramosius — Redtop Panicgrass
Panicum amarum ssp. amarulum — Southern Seabeach Grass, Bitter Panicgrass
Panicum amarum ssp. amarum — Seaside Panicum, Bitter Seabeach Grass, Bitter Panicgrass, Bitter Seaside Panic-grass
Panicum anceps ssp. anceps — Beaked Panicum, Beaked Panicgrass
Panicum anceps ssp. rhizomatum — Small Beaked Panicum, Small Beaked Panicgrass
Panicum annulum — Ringed Witchgrass
Panicum arenicoloides — Sandy Woods Witchgrass
Panicum arenicolum — Needleleaf Witchgrass, Needleleaf Rosette Grass
Panicum auburne — Woolly Witchgrass, Woolly Rosette Grass, Tapered Rosette Grass
Panicum barbulatum — Forked Witchgrass
Panicum bennettense — Needleleaf Witchgrass, Needleleaf Rosette Grass
Panicum boscii var. boscii — Bosc's Witchgrass
Panicum boscii var. molle — Bosc's Witchgrass
Panicum caerulescens — Blue Witchgrass
Panicum capillare ssp. capillare — Old-witch Panicgrass, Tickle Grass, Tumbleweed
Panicum capillare var. capillare — Old-witch Panicgrass, Tickle Grass, Tumbleweed
Panicum capillare var. sylvaticum — Woodland Panicgrass
Panicum clutei — Mattamuskeet Witchgrass
Panicum columbianum var. columbianum — American Witchgrass
Panicum condensum — Dense Panicgrass
Panicum dichotomiflorum ssp. dichotomiflorum — Fall Panicum, Fall Panicgrass, Spreading Panicgrass
Panicum dichotomum var. mattamuskeetense — Mattamuskeet Witchgrass
Panicum dichotomum var. nitidum — Shining Witchgrass
Panicum dichotomum var. roanokense — Blue Witchgrass
Panicum dichotomum var. yadkinense — Spotted-sheath Witchgrass
Panicum elongatum — Tall Flat Panicgrass, Stalked Panicgrass
Panicum geminatum — Alligator Grass, Paspalidium, Kissimmee Grass
Panicum gouinii — Torpedo Grass
Panicum huachucae var. fasciculatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum huachucae var. huachucae — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum huachucae var. silvicola — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum implicatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum lacustre — Fall Panicum, Fall Panicgrass, Spreading Panicgrass
Panicum lanuginosum var. fasciculatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum lanuginosum var. implicatum — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum lanuginosum var. lindheimeri — Long-ligule Witchgrass, Coastal Plain Witchgrass
Panicum lanuginosum var. lindheimeri — Lindheimer's Witchgrass
Panicum lanuginosum var. septentrionale — Lindheimer's Witchgrass
Panicum lanuginosum var. tennesseense — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum lindheimeri — Lindheimer's Witchgrass
Panicum lucidum — Bog Witchgrass
Panicum lucidum var. lucidum — Bog Witchgrass
Panicum lucidum var. opacum — Bog Witchgrass
Panicum mattamuskeetense — Mattamuskeet Witchgrass
Panicum maximum — Guinea Grass
Panicum microcarpon — Small-fruited Witchgrass
Panicum nitidum — Shining Witchgrass
Panicum nitidum var. nitidum — Shining Witchgrass
Panicum nitidum var. ramulosum — Small-fruited Witchgrass
Panicum nudicaule — Naked Witchgrass
Panicum ovale var. villosum — White-haired Witchgrass
Panicum ovinum — Nerved Witchgrass
Panicum philadelphicum var. philadelphicum — Woodland Panicgrass
Panicum pinetorum — Pineland Witchgrass
Panicum polycaulon — Hairless Witchgrass
Panicum pseudopubescens — White-haired Witchgrass
Panicum ramosum — Browntop Millet, Dixie Signalgrass
Panicum rhizomatum — Small Beaked Panicum, Small Beaked Panicgrass
Panicum rigidulum ssp. elongatum — Tall Flat Panicgrass, Stalked Panicgrass
Panicum rigidulum ssp. rigidulum — Dense Panicgrass
Panicum rigidulum ssp. rigidulum — Redtop Panicgrass
Panicum roanokense — Roanoke Witchgrass
Panicum sphaerocarpon var. inflatum — Round-fruited Witchgrass, Roundseed Witchgrass
Panicum sphaerocarpon var. sphaerocarpon — Round-fruited Witchgrass, Roundseed Witchgrass
Panicum sphagnicola — Peaty Witchgrass
Panicum spretum — Long-ligule Witchgrass, Coastal Plain Witchgrass
Panicum spretum — Lindheimer's Witchgrass
Panicum strigosum var. leucoblepharis — Dwarf Witchgrass
Panicum strigosum var. strigosum — Rough-hairy Witchgrass
Panicum tennesseense — Slender-stemmed Witchgrass, Western Woolly Witchgrass
Panicum tsugetorum — American Witchgrass
Panicum tuckermanii — Woodland Panicgrass
Panicum tuckermannii — Woodland Panicgrass
Panicum xalapense var. strictirameum — Open-flower Witchgrass, Open-flower Rosette Grass
Panicum xalapense var. xalapense — Open-flower Witchgrass, Open-flower Rosette Grass
Panicum yadkinense — Spotted-sheath Witchgrass
Papyrius papyriferus — Paper Mulberry
Parathelypteris noveboracensis — New York Fern
Parathelypteris simulata — Bog Fern, Massachusetts Fern
Parietaria debilis — Florida Pellitory
Parietaria nummularia — Florida Pellitory
Paronychia dichotoma — Yellow Nailwort, Virginia Whitlow-wort
Paronychia fastigiata var. pumila — Mountain Nailwort, Shale-barren Whitlow-wort
Paronychia virginica ssp. virginica — Yellow Nailwort, Virginia Whitlow-wort
Paronychia virginica var. virginica — Yellow Nailwort, Virginia Whitlow-wort
Parsonsia balsamona — Colombian Waxweed
Parsonsia petiolata — Clammy Cuphea, Blue Waxweed
Parthenium hispidum var. auriculatum — Glade Wild Quinine
Parthenium integrifolium — Common Wild Quinine
Parthenium integrifolium — Glade Wild Quinine
Parthenium integrifolium — Sandhill Wild Quinine, Mabry's Wild Quinine, Carolina Wild Quinine
Parthenium radfordii — Sandhill Wild Quinine, Mabry's Wild Quinine, Carolina Wild Quinine
Parthenocissus hirsuta — Virginia Creeper
Paspalidium geminatum var. geminatum — Alligator Grass, Paspalidium, Kissimmee Grass
Paspalum ciliatifolium — Fringeleaf Paspalum, thin paspalum
Paspalum ciliatifolium var. ciliatifolium — Fringeleaf Paspalum, thin paspalum
Paspalum ciliatifolium var. muhlenbergii — thin paspalum
Paspalum circulare — Field Crowngrass, Field Paspalum
Paspalum difforme — Florida Paspalum, Big Paspalum
Paspalum fissifolium — Common Carpetgrass
Paspalum floridanum var. floridanum — Florida Paspalum, Big Paspalum
Paspalum floridanum var. glabratum — Florida Paspalum, Big Paspalum
Paspalum furcatum — Big Carpetgrass
Paspalum giganteum — Florida Paspalum, Big Paspalum
Paspalum longipilum — Field Crowngrass, Field Paspalum
Paspalum notatum var. notatum — Bahia-grass
Paspalum propinquum — Fringeleaf Paspalum, thin paspalum
Paspalum pubescens — thin paspalum
Paspalum repens — Water Paspalum, Horsetail Crowngrass
Paspalum repens var. fluitans — Water Paspalum, Horsetail Crowngrass
Paspalum setaceum var. muehlenbergii — thin paspalum
Pattalias palustre — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort, Marsh Cynanchum
Pediomelum subacaulis — Nashville Breadroot
Pellaea ternifolia var. ternifolia — Arizona Cliffbrake
Pellaea ternifolia var. wrightiana — Wright's Cliffbrake
Peltandra glauca — White Arrow-arum, White Arum, Spoonflower
Peniophyllum linifolium — Threadleaf Sundrops, Flaxleaf Sundrops
Pennisetum americanum ssp. americanum — Pearl Millet
Pennisetum ciliare var. ciliare — Buffelgrass
Penstemon brittonorum — Appalachian Beardtongue, Gray's Beardtongue, Eastern Gray Beardtongue
Penstemon laevigatus ssp. calycosus — Longsepal Beardtongue
Penstemon laevigatus ssp. laevigatus — Smooth Beardtongue, Eastern Beardtongue, Eastern Smooth Beardtongue
Penstemon penstemon — Smooth Beardtongue, Eastern Beardtongue, Eastern Smooth Beardtongue
Pepo pepo — Pumpkin, Zucchini, Ornamental Gourd, Vegetable Marrow
Peramium ophioides — Lesser Rattlesnake-orchid, Lesser Rattlesnake-plantain
Peramium pubescens — Downy Rattlesnake-orchid, Downy Rattlesnake-plantain
Perilla frutescens var. crispa — Beefsteak-plant, Perilla
Perilla frutescens var. frutescens — Beefsteak-plant, Perilla
Persea borbonia var. pubescens — Swamp Redbay, Swamp Bay
Persicaria amphibia — Water Smartweed, Scarlet Smartweed
Persicaria cespitosa var. longiseta — Longbristle Smartweed, Bristly Lady's-thumb, Creeping Smartweed, Tufted Knotweed
Persicaria glabra — Dense-flower Smartweed
Persicaria muhlenbergii — Water Smartweed, Scarlet Smartweed
Persicaria opelousana — Mild Waterpepper, Swamp Smartweed
Persicaria persicaria — Spotted Lady's-thumb, Heart's-ease
Persicaria portoricensis — Dense-flower Smartweed
Persicaria punctata var. leptostachya — Dotted Smartweed
Persicaria punctata var. punctata — Dotted Smartweed
Persicaria virginiana var. filiformis — Japanese Jumpseed
Persicaria wallichii — Himalayan Knotweed, Kashmir Plume, cultivated knotweed
Persicaria wallichii var. wallichii — Himalayan Knotweed, Kashmir Plume, cultivated knotweed
Perularia bidentata — Southern Rein Orchid, Southern Gypsy-spike
Perularia flava — Tubercled Rein Orchid, Northern Gypsy-spike
Perularia scutellata — Southern Rein Orchid, Southern Gypsy-spike
Petalostemon albidus — White-tassels
Petalostemon carneus — Pink-tassels
Petalostemon gattingeri — Gattinger's Prairie-clover, Purple-tassels
Petalostemon gracilis — Sprawling White-tassels
Petalostemon purpureus — Purple Prairie-clover
Petalostemum purpureum — Purple Prairie-clover
Petunia ×hybrida — Garden Petunia
Petunia integrifolia — Garden Petunia
Phacelia bicknellii — Miami-mist
Phacelia boykinii — Miami-mist
Phacelia brevistyla — Fernleaf Phacelia, Purple Phacelia, Forest Phacelia
Phacelia hirsuta — Spotted Phacelia, Flatrock Phacelia
Phaeiris fulva — Copper Iris, Red Flag
Phaeiris giganticaerulea — Giant Blue Iris
Phaethusa laciniata — Southern Frostweed
Phaethusa occidentalis — Southern Crownbeard, Yellow Crownbeard
Phaethusa virginica — White Crownbeard, Common Frostweed, White Wingstem, Virginia Wingstem
Phalaris arundinacea var. arundinacea — Reed Canarygrass, Ribbongrass
Phalaris arundinacea var. picta — Reed Canarygrass, Ribbongrass
Pharbitis barbigera — Ivyleaf Morning Glory
Pharbitis hederacea — Ivyleaf Morning Glory
Pharbitis purpurea — Common Morning Glory
Phaseolus lathyroides — Phasey Bean, Wild Bushbean
Phaseolus polystachyus — Wild Bean, Wild Kidney Bean, Thicket Bean
Phaseolus polystachyus ssp. polystachyus — Wild Bean, Wild Kidney Bean, Thicket Bean
Phaseolus polystachyus ssp. sinuatus — Sandhill Bean, Trailing Wild Bean
Phegopteris phegopteris — Northern Beech Fern
Philadelphus floridus — Appalachian Mock-orange, Scentless Mock-orange
Philadelphus gattingeri — Ozark Mock-orange, Hairy Mock-orange
Philadelphus gloriosus — Appalachian Mock-orange, Scentless Mock-orange
Philadelphus grandiflorus — Appalachian Mock-orange, Scentless Mock-orange
Philadelphus inodorus var. grandiflorus — Appalachian Mock-orange, Scentless Mock-orange
Philadelphus inodorus var. inodorus — Appalachian Mock-orange, Scentless Mock-orange
Philadelphus inodorus var. strigosus — Appalachian Mock-orange, Scentless Mock-orange
Philadelphus intectus — Ozark Mock-orange, Hairy Mock-orange
Philadelphus latifolius — Ozark Mock-orange, Hairy Mock-orange
Philadelphus pubescens var. pubescens — Ozark Mock-orange, Hairy Mock-orange
Philadelphus pubescens var. verrucosus — Ozark Mock-orange, Hairy Mock-orange
Philadelphus sharpianus — Hairy Mock-orange, Cumberland Mock-orange
Philotria densa — Brazilian Waterweed, Brazilian Egeria, "Brazilian Elodea", "Anacharis"
Phlox bifida ssp. bifida — Cleft Phlox, Sand Phlox, Ten-point Phlox, Starry Phlox
Phlox bifida ssp. stellaria — Cleft Phlox, Sand Phlox, Ten-point Phlox, Starry Phlox
Phlox brittonii — Moss Phlox, Mountain-pink, "Thrift"
Phlox carolina ssp. alta — Carolina Phlox, Thick-leaf Phlox, Giant Phlox
Phlox carolina ssp. angusta — Carolina Phlox, Thick-leaf Phlox, Giant Phlox
Phlox carolina ssp. turritella — Carolina Phlox, Thick-leaf Phlox, Giant Phlox
Phlox glaberrima ssp. interior — Smooth Phlox
Phlox glaberrima ssp. triflora — Smooth Phlox
Phlox maculata — Northern Meadow Phlox
Phlox maculata — Leafy Meadow Phlox, Wild Sweet William
Phlox maculata var. maculata — Northern Meadow Phlox
Phlox maculata var. purpurea — Leafy Meadow Phlox, Wild Sweet William
Phlox pilosa var. pilosa — Downy Phlox
Phoebanthus tenuifolia — pineland false sunflower
Pholiurus incurvus — Curved Sickle-grass, Hard Grass, Thin-tail
Phoradendron eatonii — American Mistletoe, Christmas Mistletoe
Phoradendron flavescens — American Mistletoe, Christmas Mistletoe
Phoradendron macrotomum — American Mistletoe, Christmas Mistletoe
Phoradendron serotinum ssp. serotinum — American Mistletoe, Christmas Mistletoe
Photinia floribunda — Purple Chokeberry
Photinia glabra × serratifolia — Fraser's Photinia, Redtip Photinia
Photinia melanocarpa — Black Chokeberry
Photinia prunifolia — Purple Chokeberry
Photinia pyrifolia — Red Chokeberry
Phragmites australis ssp. australis — Common Reed, Old World Reed
Phragmites australis var. australis — Common Reed, Old World Reed
Phragmites phragmites — Common Reed, Old World Reed
Phryma leptostachya var. leptostachya — American Lopseed
Phyllanthus carolinensis — Carolina Leaf-flower
Phyllanthus caroliniensis var. caroliniensis — Carolina Leaf-flower
Phyllanthus lathyroides — Mascarene Island Leaf-flower
Phyllanthus urinaria ssp. urinaria — Chamber Bitter, Gripeweed
Phyllostachys nigra var. henionis — Black Bamboo
Phyllostachys pubescens — Moso Bamboo
Physalis ambigua — Clammy Ground-cherry
Physalis barbadensis — Downy Ground-cherry, Husk-tomato
Physalis barbadensis var. barbadensis — Downy Ground-cherry, Husk-tomato
Physalis intermedia — Virginia Ground-cherry
Physalis longifolia — Longleaf Ground-cherry
Physalis maritima — Dune Ground-cherry, Sand Ground-cherry, Walter's Ground-cherry
Physalis monticola — Virginia Ground-cherry
Physalis nyctaginea — Clammy Ground-cherry
Physalis pendula — Smooth Ground-cherry, Cutleaf Ground-cherry
Physalis pruinosa — Gray Ground-cherry, Strawberry-tomato, Dwarf Cape-gooseberry
Physalis pubescens var. integrifolia — Downy Ground-cherry, Husk-tomato
Physalis subglabrata — Longleaf Ground-cherry
Physalis turbinata — Downy Ground-cherry, Husk-tomato
Physalis viscosa — Dune Ground-cherry, Sand Ground-cherry, Walter's Ground-cherry
Physalodes physalodes — Apple-of-Peru, Shoo-fly-plant
Physostegia virginiana var. arenaria — Southern Obedient-plant
Physostegia virginiana var. virginiana — Northern Obedient-plant, False Dragonhead
Piaropus crassipes — Water-hyacinth
Picea australis — Red Spruce, He Balsam
Pilea pumila var. deamii — Greenfruit Clearweed, Richweed, Coolwort, Canadian Clearweed
Pilea pumila var. pumila — Greenfruit Clearweed, Richweed, Coolwort, Canadian Clearweed
Pilosella piloselloides ssp. piloselloides — Glaucous King-devil, Smooth Hawkweed, Tall Hawkweed
Pilostaxis baldwinii — White Milkwort, Baldwin's Milkwort
Pilostaxis cymosa — Tall Pinebarren Milkwort
Pilostaxis lutea — Orange Milkwort, Red-hot-poker, Candyroot, Yellow Bachelor's-buttons
Pilostaxis nana — Dwarf Milkwort, Candyroot
Pilostaxis ramosa — Short Pinebarren Milkwort, Low Pinebarren Milkwort, Dwarf Milkwort, Savanna Milkwort
Pimpinella saxifraga — Burnet-saxifrage
Pinguicula elatior — Blue Butterwort
Pinus australis — Longleaf Pine, Southern Pine
Pinus rigida ssp. rigida — Pitch Pine
Pinus rigida ssp. serotina — Pond Pine, Pocosin Pine, Marsh Pine
Piriqueta tomentosa — Carolina Piriqueta, Pitted Stripeseed
Pityopsis adenolepis — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster
Pityopsis aspera — Pineland Silkgrass, Sticky Goldenaster, Grassleaf Goldenaster
Pityopsis aspera — Carolina Silkgrass, Pineland Silkgrass, Grassleaf Goldenaster
Pityopsis nervosa var. nervosa — Common Silkgrass, Grassleaf Goldenaster
Pityothamnus angustifolius — Slimleaf Pawpaw
Pityothamnus angustifolius — Slimleaf Pawpaw
Pityothamnus incanus — Flag Pawpaw, Polecat Bush, Woolly Pawpaw
Pityothamnus reticulatus — Netleaf Pawpaw
Planodes virginica — Sibara, Virginia-cress, Virginia Rockcress, Virginia Winged Rockcress
Plantago hybrida — Many-seeded Plantain, Small Plantain, Slender Plantain
Plantago psyllium — Sand Plantain, Leafy-stemmed Plantain, Psyllium, Flaxseed Plantain
Plantago rugelii var. asperula — American Plantain, Broad-leaved Plantain, Blackseed Plantain, Rugel’s Plantain
Platanthera fissa — Purple Fringeless Orchid, Purple Spire Orchid, Pride-of-the-peak
Platanthera fissa — Small Purple Fringed Orchid, Butterfly Orchid, Lesser Purple Fringed Orchid
Platanthera herbiola — Tubercled Rein Orchid, Northern Gypsy-spike
Platanthera orbiculata var. orbiculata — Large Round-leaved Orchid, Dessert-plate Orchid
Platanus ×acerifolia — London Planetree
Platanus hybrida — London Planetree
Pleopeltis polypodioides var. michauxiana — Resurrection Fern, Scaly Polypody
Pleuropterus zuccarinii — Japanese Knotweed, Japanese Bamboo, Japanese Buckwheat
Pluchea petiolata — Common Camphorweed, Camphor Pluchea, Marsh Fleabane
Pluchea rosea var. rosea — Rosy Camphorweed, Rose Fleabane, Savanna Fleabane, Marsh Fleabane
Pluchea tenuifolia — Stinking Camphorweed, Stinking Fleabane, Marsh Fleabane
Podophyllum cymosum — Umbrella-leaf, Pixie-parasol
Podostemon abrotanoides — Riverweed, Threadfoot, Riffleweed
Podostemon ceratophyllum — Riverweed, Threadfoot, Riffleweed
Podostigma pedicellata — Stalked Milkweed, Savanna Milkweed
Pogonia bifaria — Small Dragonhead Pogonia, Coastal Plain Small Spreading Pogonia
Pogonia divaricata — Large Dragonhead Pogonia, Rosebud Orchid, Large Spreading Pogonia
Pogonia verticillata — Large Whorled Pogonia, Large Five-leaves
Poinsettia cyathophora — Wild Poinsettia, Painted Leaf, Fire-on-the-mountain
Poinsettia dentata — Painted Leaf, Wild Poinsettia, Green Poinsettia, Toothed Spurge
Poinsettia geniculata — Fiddler's Spurge, Mexican Fireplant, Catalina, Jacob's-ladder
Poinsettia heterophylla — Fiddler's Spurge, Mexican Fireplant, Catalina, Jacob's-ladder
Poinsettia heterophylla — Wild Poinsettia, Painted Leaf, Fire-on-the-mountain
Polemonium longii — Spreading Jacob's-ladder, Creeping Jacob's-ladder, Greek Valerian
Polemonium van-bruntiae — Bog Jacob's-ladder
Polycodium arenicola — Dwarf Deerberry
Polycodium ashei — Florida Deerberry, Whiteleaf Deerberry
Polycodium candicans — Appalachian Deerberry
Polycodium candicans — Common Deerberry
Polycodium floridanum — Florida Deerberry, Whiteleaf Deerberry
Polycodium melanocarpum — Southern Deerberry
Polycodium neglectum — Common Deerberry
Polycodium sericeum — Southern Deerberry
Polycodium stamineum — Common Deerberry
Polygala aboriginum — Racemed Milkwort, Bitter Milkwort
Polygala balduinii var. balduinii — White Milkwort, Baldwin's Milkwort
Polygala baldwinii — White Milkwort, Baldwin's Milkwort
Polygala boykinii — Boykin's Milkwort
Polygala harperi — Maryland Milkwort
Polygala ramosior — Drumheads, Crossleaf Milkwort
Polygala verticillata — Whorled Milkwort
Polygala verticillata — Loose Milkwort, Alternate Milkwort, Whorled Milkwort
Polygala verticillata var. dolichoptera — Loose Milkwort, Alternate Milkwort, Whorled Milkwort
Polygala violacea — Showy Milkwort
Polygala viridescens — Field Milkwort, Blood Milkwort
Polygonatum commutatum — Smooth Solomon's Seal
Polygonella polygama var. croomii — Carolina October-flower
Polygonella polygama var. polygama — Common October-flower
Polygonum americanum — Southern Jointweed, Showy Jointweed
Polygonum aubertii — Lace Vine, Silver-lace-vine, China Fleece-vine, Russian Vine
Polygonum caespitosum var. longisetum — Longbristle Smartweed, Bristly Lady's-thumb, Creeping Smartweed, Tufted Knotweed
Polygonum convolvulus var. subulatum — Climbing Buckwheat, Nimblewill, Black Bindweed
Polygonum fimbriatum — Sandhill Jointweed, Fringed Thysanella
Polygonum hydropiperoides var. opelousanum — Mild Waterpepper, Swamp Smartweed
Polygonum hydropiperoides var. setaceum — Swamp Smartweed, Bog Smartweed
Polygonum pinicola — Wireweed, Tall Jointweed
Polygonum polygamum var. croomii — Carolina October-flower
Polygonum polygamum var. polygamum — Common October-flower
Polygonum punctatum var. confertiflorum — Dotted Smartweed
Polygonum scandens var. cristatum — Common Climbing Buckwheat
Polygonum setaceum var. setaceum — Swamp Smartweed, Bog Smartweed
Polygonum setaceum var. tonsum — Swamp Smartweed, Bog Smartweed
Polygonum smallianum — Largeleaf Wireweed
Polygonum tenue var. protrusum — Glade Knotweed, Slender Knotweed
Polygonum tenue var. tenue — Glade Knotweed, Slender Knotweed
Polymnia radiata — White-flowered Leafcup, Small-flowered Leafcup
Polypodium aureum — Goldfoot Fern, Golden Polypody
Polypodium polypodioides var. michauxianum — Resurrection Fern, Scaly Polypody
Polystichum acrostichoides var. acrostichoides — Christmas Fern
Polystichum acrostichoides var. lonchitoides — Christmas Fern
Polystichum falcatum — Japanese Holly-fern, Asian Net-veined Holly Fern
Polystichum fortunei — Fortune's Holly-fern, Fortune's Net-veined Holly Fern
Pontederia azurea — Rooted Water-hyacinth, anchored water-hyacinth
Pontederia crassipes — Water-hyacinth
Pontederia lanceolata — Lanceleaf Pickerelweed
Pontederia vaginalis — Monochoria, heartshape false pickerelweed
Populus balsamifera var. balsamifera — Balsam Poplar, Hackmatack, Tacamahac
Populus deltoides var. deltoides — Eastern Cottonwood
Populus deltoides var. occidentalis — Plains Cottonwood, Texas Cottonwood
Populus italica — European Black Poplar, Lombardy Poplar, Black Poplar
Populus nigra var. italica — European Black Poplar, Lombardy Poplar, Black Poplar
Populus nigra var. nigra — European Black Poplar, Lombardy Poplar, Black Poplar
Porteranthus stipulatus — Midwestern Indian-physic, American Ipecac
Porteranthus trifoliatus — Bowman's Root, Mountain Indian Physic, Fawn's Breath
Potentilla canadensis var. canadensis — Dwarf Cinquefoil, Running Five-fingers
Potentilla canadensis var. villosissima — Dwarf Cinquefoil, Running Five-fingers
Potentilla caroliniana — Dwarf Cinquefoil, Running Five-fingers
Potentilla monspeliensis — Strawberry-weed, Rough Cinquefoil, Norwegian Cinquefoil
Potentilla pumila — Dwarf Cinquefoil, Running Five-fingers
Poterium polygamum — Salad Burnet, Garden Burnet, Fodder Burnet
Poterium sanguisorba — Salad Burnet, Garden Burnet, Fodder Burnet
Poterium sanguisorba ssp. balearicum — Salad Burnet, Garden Burnet, Fodder Burnet
Poterium sanguisorba ssp. muricatum — Salad Burnet, Garden Burnet, Fodder Burnet
Prenanthes alba ssp. pallida — Gall-of-the-earth, Three-leaved Rattlesnake-root
Prenanthes cylindrica — Cylindrical Rattlesnake-root, Appalachian Rattlesnake-root
Prenanthes cylindrica — Roan Mountain Rattlesnake-root, Appalachian Rattlesnake-root
Prenanthes serpentaria var. barbata — Barbed Rattlesnake-root, Flatwoods Rattlesnake-root, Prairie Lion’s-foot
Proserpinaca palustris var. amblyogona — Marsh Mermaid-weed, Common Mermaid-weed
Proserpinaca palustris var. crebra — Marsh Mermaid-weed, Common Mermaid-weed
Proserpinaca palustris var. palustris — Marsh Mermaid-weed, Common Mermaid-weed
Proserpinaca platycarpa — Marsh Mermaid-weed, Common Mermaid-weed
Prunella vulgaris var. hispida — Eurasian Self-heal, Eurasian Heal-all
Prunus alleghaniensis — Allegheny Plum, Allegheny Sloe
Prunus americana var. lanata — Big-tree Plum, Mexican Plum
Prunus cuneata — Susquehanna Cherry, Appalachian Sand Cherry, Appalachian Dwarf-cherry
Prunus depressa — Prostrate Dwarf-cherry, Prostrate Sand Cherry, New England Sand Cherry
Prunus domestica var. institia — European Plum, Damson, Bullace
Prunus gravesii — Beach Plum
Prunus injucunda — Hog Plum, Flatwoods Plum
Prunus insititia — European Plum, Damson, Bullace
Prunus maritima var. gravesii — Beach Plum
Prunus maritima var. maritima — Beach Plum
Prunus mitis — Hog Plum, Flatwoods Plum
Prunus pennsylvanica — Fire Cherry, Pin Cherry
Prunus pumila var. cuneata — Susquehanna Cherry, Appalachian Sand Cherry, Appalachian Dwarf-cherry
Prunus rivularis — Munson Plum, Wild-goose Plum
Prunus umbellata var. injuncunda — Hog Plum, Flatwoods Plum
Prunus umbellata var. umbellata — Hog Plum, Flatwoods Plum
Prunus yedoensis — Yoshino Cherry
Pseudognaphalium obtusifolium ssp. praecox — Fragrant Rabbit-tobacco, Eastern Rabbit-tobacco, Sweet Everlasting, Catfoot
Pseudolycopodiella caroliniana var. caroliniana — Carolina Bog-clubmoss, Slender Clubmoss
Pseudolycopodiella caroliniana var. caroliniana — Florida Bog Clubmoss
Psoralea virgata — Pineland Leatherroot, Slender Leatherroot, Pineland Scurfpea
Ptelea baldwinii — Wafer-ash, Hoptree
Ptelea microcarpa — Wafer-ash, Hoptree
Ptelea serrata — Wafer-ash, Hoptree
Pteridium aquilinum ssp. pseudocaudatum — Southern Bracken
Pteris latiuscula var. latiuscula — Eastern Bracken, Brake
Pteris latiuscula var. pseudocaudata — Southern Bracken
Pterocaulon undulatum — Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem
Ptilimnium viviparum — Harperella, piedmont mock bishopweed
Pueraria thunbergiana — Kudzu, Foot-a-Day
Pycnanthemum aristatum — Awned Mountain-mint
Pycnanthemum hyssopifolium — Savanna Mountain-mint, Savanna Mint
Pycnanthemum incanum var. loomisii — Loomis's Mountain-mint
Pycnanthemum pycnanthemoides — Woodland Mountain-mint, Southern Mountain-mint
Pycnanthemum tullia — Woodland Mountain-mint, Southern Mountain-mint
Pycnodoria multifida — Spider Brake, Wall Fern, Huguenot Fern
Pycnodoria vittata — Ladder Brake, Chinese Brake Fern
Pycnothymus rigidus — Florida Pennyroyal, Wild Pennyroyal
Pylostachya balduinii — White Milkwort, Baldwin's Milkwort
Pylostachya cymosa — Tall Pinebarren Milkwort
Pylostachya lutea — Orange Milkwort, Red-hot-poker, Candyroot, Yellow Bachelor's-buttons
Pylostachya nana — Dwarf Milkwort, Candyroot
Pylostachya ramosa — Short Pinebarren Milkwort, Low Pinebarren Milkwort, Dwarf Milkwort, Savanna Milkwort
Pyracantha crenulata — Chinese Firethorn
Pyrrhopappus carolinianus var. georgianus — Carolina False-dandelion, Carolina Desert-chicory
Pyrus americana — American Mountain-ash, American Rowan
Pyrus angustifolia — Southern Crabapple, Wild Crabapple
Pyrus arbutifolia — Red Chokeberry
Pyrus aucuparia — European Mountain-ash, Rowan
Pyrus baccata — Siberian Crabapple
Pyrus coronaria — Sweet Crabapple, Wild Crabapple
Pyrus floribunda — Purple Chokeberry
Pyrus lancifolia — Sweet Crabapple, Wild Crabapple
Pyrus malus — Common Apple
Pyrus melanocarpa — Black Chokeberry
Pyrus serratifolia — Taiwanese Redtip
Pyrus speciosa — Common Flowering Quince
Pyrus villosa — Oriental Photinia
Quamasia hyacinthina — Wild Hyacinth, Eastern Camas Lily, Quamash Lily
Quamoclit coccinea — Small Red Morning Glory, Scarlet Creeper
Quamoclit quamoclit — Cypress-vine
Quamoclit vulgaris — Cypress-vine
Quercus cinerea — Bluejack Oak
Quercus coccinea var. coccinea — Scarlet Oak
Quercus coccinea var. tuberculata — Scarlet Oak
Quercus falcata var. pagodifolia — Cherrybark Oak, Swamp Spanish Oak
Quercus falcata var. triloba — Southern Red Oak, Spanish Oak
Quercus hemisphaerica var. hemisphaerica — Darlington Oak, Sand Laurel Oak
Quercus hemisphaerica var. maritima — Darlington Oak, Sand Laurel Oak
Quercus macrocarpa — Bur Oak, Mossycup Oak
Quercus margarettae — Sand Post Oak, Scrub Post Oak, Margaret's Oak
Quercus margarettiae — Sand Post Oak, Scrub Post Oak, Margaret's Oak
Quercus muhlenbergii — Chinquapin Oak, Yellow Chestnut Oak, Yellow Oak
Quercus nuttallii — Nuttall Oak, Texas Red Oak
Quercus obtusa — Laurel Oak, Swamp Laurel Oak, Diamond Leaf Oak
Quercus prinoides var. acuminata — Chinquapin Oak, Yellow Chestnut Oak, Yellow Oak
Quercus prinoides var. prinoides — Dwarf Chinquapin Oak
Quercus rubra — Southern Red Oak, Spanish Oak
Quercus rubra var. pagodaefolia — Cherrybark Oak, Swamp Spanish Oak
Quercus shumardii var. schneckii — Shumard Oak, Swamp Red Oak
Quercus shumardii var. texana — Nuttall Oak, Texas Red Oak
Quercus stellata var. boyntonii — Boynton Oak, Boynton Sand Post Oak
Quercus stellata var. margaretta — Sand Post Oak, Scrub Post Oak, Margaret's Oak
Quercus stellata var. stellata — Post Oak
Radicula palustris — Bog Yellowcress, Marshcress
Raimannia drummondii — Beach Evening Primrose, Drummond's Evening Primrose
Raimannia humifusa — Dunes Evening Primrose, Seabeach Evening Primrose, Spreading Evening Primrose
Raimannia laciniata — Cutleaf Evening Primrose
Raimannia mollissima — Dunes Evening Primrose, Seabeach Evening Primrose, Spreading Evening Primrose
Ramium niveum — Ramie
Ranunculus arvensis var. tuberculatus — Corn Crowfoot, Hungerweed
Ranunculus ficaria ssp. bulbilifer — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria ssp. calthifolius — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria ssp. chrysocephalus — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria ssp. ficaria — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria ssp. ficariiformis — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus ficaria var. bulbifera — Fig Buttercup, Lesser Celandine, Pilewort
Ranunculus harveyi var. harveyi — Harvey's Buttercup, Harvey's Crowfoot
Ranunculus minimus — Mousetail
Ranunculus oblongifolius — Coastal Plain Spearwort
Ranunculus obtusiusculus — Water-plantain Crowfoot, Water-plantain Spearwort
Ranunculus palmatus — Carolina Buttercup, Swamp Buttercup
Ranunculus septentrionalis var. caricetorum — Northern Swamp Buttercup, Marsh Buttercup
Ranunculus septentrionalis var. pterocarpus — Northern Swamp Buttercup, Marsh Buttercup
Ranunculus septentrionalis var. septentrionalis — Northern Swamp Buttercup, Marsh Buttercup
Ratibida columnaris — Mexican Hat, Columnar Prairie Coneflower, Upright Coneflower, Long-headed Coneflower
Rehsonia ×formosa — Hybrid Asian Wisteria
Rehsonia floribunda — Japanese Wisteria
Rehsonia sinensis — Chinese Wisteria
Reynoutria ciliinodis — Fringed Climbing Buckwheat, Fringed Black Bindweed, Fringed Bindweed
Reynoutria japonica — Japanese Knotweed, Japanese Bamboo, Japanese Buckwheat
Reynoutria polystachya — Himalayan Knotweed, Kashmir Plume, cultivated knotweed
Rhacoma ilicifolia — Holly-leaf Rhacoma, Christmasberry, Quailberry
Rhamnus citrifolia — Dahurian Buckthorn, Davurian Buckthorn
Rhamnus davurica ssp. nipponica — Dahurian Buckthorn, Davurian Buckthorn
Rhamnus frangula — Glossy Buckthorn, European Alder-buckthorn
Rhaphis pauciflora — Florida Goldbeard, Florida Rhaphis, Florida Beardgrass
Rhexia ciliosa — Ciliate Meadowbeauty, Short Meadowbeauty, Fringed Meadowbeauty, Bog Meadowbeauty
Rhexia delicatula — Pale Meadowbeauty, Maryland Meadowbeauty, Dull Meadowbeauty
Rhexia lanceolata — White Meadowbeauty
Rhexia mariana — Pale Meadowbeauty, Maryland Meadowbeauty, Dull Meadowbeauty
Rhexia serrulata — Nuttall's Meadowbeauty
Rhexia stricta — Virginia Meadowbeauty, Wingstem Meadowbeauty, Deergrass
Rhexia virginica var. purshii — Virginia Meadowbeauty, Wingstem Meadowbeauty, Deergrass
Rhodiola roanensis — Roseroot, Goldenroot, King's Crown
Rhododendron bakeri — Cumberland Azalea, Baker's Azalea
Rhododendron canescens var. candidum — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea
Rhododendron canescens var. canescens — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea
Rhododendron canescens var. subglabrum — Piedmont Azalea, Southern Pinxter Azalea, Hoary Azalea
Rhododendron minus var. minus — Gorge Rhododendron, Punctatum, Piedmont Rhododendron
Rhododendron minus var. minus — Carolina Rhododendron, Punctatum
Rhododendron oblongifolium — Swamp Azalea, Clammy Azalea, Swamp Honeysuckle, Catchfly Azalea
Rhododendron speciosum — Oconee Azalea
Rhus hirta — Staghorn Sumac
Rhus pumila — Michaux's Sumac, Dwarf Sumac, False Poison Sumac
Rhus radicans var. radicans — Eastern Poison Ivy
Rhus radicans var. rydbergii — Wesern Poison Ivy
Rhus radicans var. vulgaris — Eastern Poison Ivy
Rhus radicans var. vulgaris — Midwestern Poison Ivy
Rhynchelytrum repens — Rose Natalgrass, Creeping Molasses-grass
Rhynchelytrum roseum — Rose Natalgrass, Creeping Molasses-grass
Rhynchosia erecta — Twining Snoutbean, Erect Snoutbean
Rhynchosia intermedia — Twining Snoutbean, Erect Snoutbean
Rhynchosia simplicifolius — Dollarweed, Dollarleaf Snoutbean, Roundleaf Snoutbean
Rhynchospora globularis var. recognita — Cymose Beakrush, Cymose Beaksedge
Rhynchospora glomerata var. glomerata — Clustered Beaksedge
Rhytidomene lupinellus — Lupine Scurfpea, Sandhill Scurfpea, Lupine Leatherroot
Ribes grossularia — Garden Gooseberry, European Gooseberry
Ribes sativum — Garden Red Currant, cultivated currant
Ridan alternifolia — Common Wingstem
Ridan paniculata — Walter's Wingstem, Carolina Crownbeard, Walter's Crownbeard
Riedlea hirsuta — Bretonica-peluda
Robinia elliottii — Dwarf Bristly Locust, Dwarf Locust
Robinia fertilis — Arnot Bristly Locust, Fruitful Locust
Robinia grandiflora — Arnot Bristly Locust, Fruitful Locust
Robinia pallida — Common Bristly Locust
Robinia speciosa — Common Bristly Locust
Robinia viscosa var. hartwigii — Granite Dome Locust, Highlands Locust, Hartwig's Locust
Rorippa microphylla — Narrow-fruited Watercress, One-row Yellowcress
Rorippa nasturtium-aquaticum — Watercress
Rorippa palustris — Bog Yellowcress, Marshcress
Rorippa palustris ssp. glabra var. fernaldiana — Bog Yellowcress, Marshcress
Rorippa palustris var. palustris — Bog Yellowcress, Marshcress
Rosa blanda — Smooth Rose, Meadow Rose
Rosa floridana — Swamp Rose
Rosa gallica — Damask Rose, French Rose
Rosa lancifolia — Swamp Rose
Rosa luciae — Memorial Rose, Dorothy Perkins Rose, Lucie Rose
Rosa lyoni — Carolina Rose
Rosa obtusiuscula — Swamp Rose
Rosa serrulata — Carolina Rose
Rosa setigera var. setigera — Ozark Rose, Climbing Prairie Rose
Rosa setigera var. tomentosa — Ozark Rose, Climbing Prairie Rose
Rosa virginiana — Virginia Rose
Rottboellia exaltata — Itch-grass
Rubus andrewsianus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus apogaeus — Common Dewberry, Northern Dewberry
Rubus arenicola — Common Dewberry, Northern Dewberry
Rubus armeniacus — European Blackberry, Himalayan Blackberry, Himalaya-berry
Rubus arvensis — Sawtooth Blackberry
Rubus audax — Sand Blackberry
Rubus baileyanus — Common Dewberry, Northern Dewberry
Rubus betulifolius — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus boyntonii — Common Dewberry, Northern Dewberry
Rubus carolinianus — American Red Raspberry
Rubus clarus — Common Dewberry, Northern Dewberry
Rubus dalibarda — Robin-runaway, Star-violet, Dewdrop
Rubus defectionis — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus depavitus — Common Dewberry, Northern Dewberry
Rubus discolor — Chesapeake Blackberry, Topsy Blackberry
Rubus elegantulus — Bristly Blackberry
Rubus floricomus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus floridus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus frondosus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus grimesii — Common Dewberry, Northern Dewberry
Rubus idaeus ssp. sachalinensis — American Red Raspberry
Rubus idaeus var. idaeus — Eurasian Red Raspberry
Rubus idaeus var. strigosus — American Red Raspberry
Rubus immanis — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus iniens — Common Dewberry, Northern Dewberry
Rubus invisus — Common Dewberry, Northern Dewberry
Rubus jaysmithii — Common Dewberry, Northern Dewberry
Rubus laudatus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus linkianus — European Blackberry, Himalayan Blackberry, Himalaya-berry
Rubus longii — Sand Blackberry
Rubus lucidus — Southern Dewberry, Coastal Plain Dewberry
Rubus nefrens — Common Dewberry, Northern Dewberry
Rubus nigrobaccus — Allegheny Blackberry
Rubus obvius — Common Dewberry, Northern Dewberry
Rubus odoratus var. columbianus — Purple Flowering-raspberry, Thimbleberry, Eastern Mapleleaf-raspberry
Rubus particularis — Common Dewberry, Northern Dewberry
Rubus pauxillus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus pergratus — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus pernagaeus — Common Dewberry, Northern Dewberry
Rubus plexus — Common Dewberry, Northern Dewberry
Rubus probabilis — Sand Blackberry
Rubus procerus — European Blackberry, Himalayan Blackberry, Himalaya-berry
Rubus racemiger — Bristly Blackberry
Rubus recurvans — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus repens — Robin-runaway, Star-violet, Dewdrop
Rubus rosarius — Pennsylvania Blackberry, Highbush Blackberry, Eastern Blackberry, Southern Blackberry
Rubus scambens — Common Dewberry, Northern Dewberry
Rubus semisetosus — Bristly Blackberry
Rubus sewardianus — Common Dewberry, Northern Dewberry
Rubus strigosus — American Red Raspberry
Rubus temerarius — Common Dewberry, Northern Dewberry
Rubus whartoniae — Common Dewberry, Northern Dewberry
Rudbeckia acuminata — Common Eastern Coneflower, Orange Coneflower
Rudbeckia amplectens — Woodland Black-eyed Susan
Rudbeckia beadlei — Chauncey's Coneflower
Rudbeckia bicolor — Weedy Black-eyed Susan
Rudbeckia brittonii — Woodland Black-eyed Susan
Rudbeckia divergens — Coastal Plain Black-eyed Susan
Rudbeckia foliosa — Common Eastern Coneflower, Orange Coneflower
Rudbeckia fulgida var. spathulata — Orange Coneflower
Rudbeckia glabra — Narrow-leaved Coneflower, St. John's Black-eyed Susan, Shiny Coneflower
Rudbeckia longipes — Weedy Black-eyed Susan
Rudbeckia monticola — Woodland Black-eyed Susan
Rudbeckia nitida var. nitida — Narrow-leaved Coneflower, St. John's Black-eyed Susan, Shiny Coneflower
Rudbeckia rupestris — Blue Ridge Three-lobed Coneflower, Brown-eyed Susan
Rudbeckia sericea — Weedy Black-eyed Susan
Rudbeckia triloba var. beadleyi — Chauncey's Coneflower
Ruellia caroliniansis ssp. ciliosa var. cinerascens — Sandhills Wild-petunia, Dwarf Wild-petunia
Ruellia caroliniensis ssp. ciliosa var. ciliosa — Sandhills Wild-petunia, Dwarf Wild-petunia
Ruellia malacosperma — Mexican Bluebell, Mexican Petunia
Ruellia parviflora — Carolina Wild-petunia, Common Wild-petunia, Hairy Ruellia
Ruellia pedunculata — Pursh's Wild-petunia
Rufacer carolinianum — Carolina Red Maple, Trident Red Maple
Rufacer drummondii — Drummond’s Maple, Swamp Red Maple, Drummond’s Red Maple
Rufacer rubrum — Eastern Red Maple
Rumex acetosella ssp. pyrenaicus — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel
Rumex acetosella var. acetosella — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel
Rumex acetosella var. pyrenaeus — Sheep Sorrel, Red Dock, Sourgrass, Field Sorrel
Rumex spinosus — Spiny Emex
Ruscus aculeatus — Butcher's Broom, Knee Holly
Rynchospora caduca — Angle-stem Beaksedge
Rynchospora capitellata — Brownish Beaksedge
Rynchospora careyana — Carey's Horned Beaksedge, broadfruit horned beaksedge
Rynchospora corniculata — Short-bristled Horned Beaksedge
Rynchospora cymosa — Cymose Beakrush, Cymose Beaksedge
Rynchospora dodecandra — Sandy-field Beaksedge, Sandhill Beaksedge
Rynchospora filifolia — Threadleaf Beaksedge
Rynchospora globularis — Globe Beaksedge
Rynchospora glomerata — Clustered Beaksedge
Rynchospora gracilenta — Slender Beaksedge
Rynchospora harperi — Harper's Beaksedge
Rynchospora inexpansa — Nodding Beaksedge
Rynchospora inundata — Narrow-fruit Horned Beaksedge
Rynchospora leptocarpa — Slender-fruit Beaksedge
Rynchospora macra — Southern White Beaksedge
Rynchospora miliacea — Millet Beaksedge
Rynchospora pallida — Pale Beaksedge
Rynchospora patula — Angle-stem Beaksedge
Rynchospora pinetorum — Small's Beakrush, Small's Beaksedge
Rynchospora rariflora — Few-flower Beaksedge
Rynchospora tracyi — Tracy's Beaksedge
Sabal deeringiana — Dwarf Palmetto, Bush Palmetto, Dwarf Blue Palmetto, Bluestem Palmetto
Sabal jamesiana — Cabbage Palmetto
Sabbatia angularis — Rose-pink, Bitterbloom, Common Marsh-pink, American Centaury
Sabbatia brachiata — Narrowleaf Rose-pink, Narrowleaf Rose-gentian, Narrowleaf Sabatia
Sabbatia calycina — Coastal Rose-pink, Coastal Rose-gentian
Sabbatia campanulata — Annual Sea-pink, Salt-marsh Pink, Rose-of-Plymouth
Sabbatia campanulata — Slender Marsh-pink, Slender Rose-gentian
Sabbatia decandra — Bartram's Rose-gentian
Sabbatia dodecandra — Perennial Sea-pink, Large Marsh Rose-pink, Marsh Rose-gentian
Sabbatia foliosa — Blackwater Rose-pink, Marsh Rose-gentian
Sabbatia grandiflora — Largeflower Rose-gentian
Sabbatia harperi — Blackwater Rose-pink, Marsh Rose-gentian
Sabbatia paniculata — Four-angle Sabatia, Four-angle Rose-gentian
Sabina silicicola — Southern Red Cedar, Coastal Red Cedar
Sabina virginiana — Eastern Red Cedar
Sabulina brevifolia — Piedmont Sandwort, One-flower Sandwort
Sabulina caroliniana — Carolina Sandwort, Longroot, Pine-barren Sandwort
Sabulina glabra — Appalachian Sandwort
Sabulina groenlandica — Mountain Sandwort, Greenland Sandwort
Sabulina uniflora — Godfrey's Sandwort
Saccharodendron barbatum — Sugar Maple, Hard Maple, Sugar-tree
Saccharodendron floridanum — Southern Sugar Maple, Florida Maple
Saccharodendron leucoderme — Chalk Maple, Small Chalk Maple, White-bark Maple
Saccharodendron nigrum — Black Maple
Saccharum alopecuroidum — Silver Plumegrass
Sagittaria angustifolia — Bulltongue Arrowhead
Sagittaria cycloptera — Grassleaf Arrowhead, Grassy Arrowhead
Sagittaria engelmanniana ssp. engelmanniana — Engelmann's Arrowhead, Blackwater Arrowhead
Sagittaria engelmanniana ssp. longirostra — Appalachian Arrowhead, Southern Arrowhead, Longbeak Arrowhead
Sagittaria graminea ssp. chapmanii — Chapman's Arrowhead
Sagittaria graminea ssp. graminea — Grassleaf Arrowhead, Grassy Arrowhead
Sagittaria graminea ssp. weatherbiana — Weatherby’s Arrowhead
Sagittaria macrocarpa — Bunched Arrowhead
Sagittaria mohrii — Delta Arrowhead
Salicornia perennis — Perennial Glasswort, Woody Glasswort, Pickleweed
Salix ×fragilis — Crack Willow, Brittle Willow
Salix amphibia — Carolina Willow, Coastal Plain Willow
Salix cinerea ssp. cinerea — European Gray Willow
Salix cinerea ssp. oleifolia — Olive-leaf Willow, Common Sallow, Large Gray Willow
Salix coactilis — Silky Willow, Shrub Willow, Satin Willow
Salix humilis var. microphylla — Dwarf Upland Willow, Dwarf Prairie Willow, Sage Willow
Salix longipes — Carolina Willow, Coastal Plain Willow
Salix marginata — Black Willow
Salix matsudana — Weeping Willow
Salix tristis — Dwarf Upland Willow, Dwarf Prairie Willow, Sage Willow
Salsola kali var. tenuifolia — Russian Thistle, Tumbleweed
Salsola pestifer — Russian Thistle, Tumbleweed
Salvinia ×molesta — Giant Salvinia, Kariba Weed
Salvinia adnata — Giant Salvinia, Kariba Weed
Salvinia auriculata — Water Spangles, Floating Fern
Sambucus canadensis var. canadensis — Common Elderberry, American Elder
Sambucus racemosa — Eastern Red Elderberry, Red-berried Elder
Sambucus simpsonii — Common Elderberry, American Elder
Samolus floribundus — Water-pimpernel, Brookweed
Samolus valerandi — Water-pimpernel, Brookweed
Sanguisorba canadensis ssp. latifolia — Canada Burnet, American Burnet, White Burnet
Sanguisorba minor ssp. muricata — Salad Burnet, Garden Burnet, Fodder Burnet
Sanicula floridana — Florida Sanicle, Florida Snakeroot, Florida Black-snakeroot
Sanicula marylandica — Black Snakeroot, Maryland Sanicle, Maryland Black-snakeroot
Sapindus drummondii — Western Soapberry
Sapindus saponaria — Florida Soapberry
Sarcocornia ambigua — Perennial Glasswort, Woody Glasswort, Pickleweed
Sarcocornia pacifica — Perennial Glasswort, Woody Glasswort, Pickleweed
Sarothra drummondii — Drummond's St. Johnswort, Nits-and-lice
Sarothra gentianoides — Pineweed, Orange-grass, Orangeweed
Sarracenia drummondii — Whitetop Pitcherplant, Crimson Pitcherplant
Sarracenia purpurea ssp. gibbosa — Northern Purple Pitcherplant
Sarracenia purpurea ssp. purpurea — Northern Purple Pitcherplant
Sarracenia purpurea ssp. purpurea — Southern Appalachian Purple Pitcherplant
Sarracenia purpurea ssp. purpurea var. burkii — Rose Pitcherplant, Gulf Coast Pitcherplant
Sarracenia purpurea ssp. venosa — Southern Purple Pitcherplant, Frog's Breeches, Hunter's Cup
Sarracenia purpurea ssp. venosa var. burkii — Rose Pitcherplant, Gulf Coast Pitcherplant
Sarracenia purpurea ssp. venosa var. montana — Southern Appalachian Purple Pitcherplant
Sarracenia purpurea ssp. venosa var. venosa — Southern Purple Pitcherplant, Frog's Breeches, Hunter's Cup
Sasa japonica — Arrow Bamboo
Satureja ashei — Ashe's Savory, Ashe's Calamint, Ohoopee Dunes Wild Basil
Satureja coccinea — Scarlet Wild Basil, Scarlet Calamint, Red Mint Shrub, Red Basil
Satureja rigida — Florida Pennyroyal, Wild Pennyroyal
Schedonorus phoenix — Tall Fescue, Alta Fescue
Schinus terebinthifolia var. raddianus — Brazilian Peppertree, Brazilian-pepper, Christmasberry Tree
Schinus terebinthifolia var. rhoifolius — Brazilian Peppertree, Brazilian-pepper, Christmasberry Tree
Schinus terebinthifolius — Brazilian Peppertree, Brazilian-pepper, Christmasberry Tree
Schisandra coccinea — Bay Star-vine, Climbing-magnolia, Magnolia-vine
Schizachyrium scoparium ssp. scoparium — Common Little Bluestem
Schizandra coccinea — Bay Star-vine, Climbing-magnolia, Magnolia-vine
Schmaltzia crenata — Fragrant Sumac, Squawbush
Schoenolirion texanum — Texas Sunnybell
Schoenoplectus mucronatus — Roughseed Bulrush, Bog Bulrush, Ricefield Bulrush
Schoenoplectus robustus — Saltmarsh Bulrush
Schrankia microphylla var. floridana — Florida Sensitive-briar, Powderpuff Mimosa
Schwalbea americana var. americana — American Chaffseed
Schwalbea americana var. australis — American Chaffseed
Schwalbea australis — American Chaffseed
Scilla non-scripta — English Bluebell
Scilla nonscripta — English Bluebell
Scirpus atrovirens var. atrovirens — Black Bulrush, Dark-green Bulrush
Scirpus atrovirens var. georgianus — Georgia Bulrush
Scirpus caespitosus — Deerhair Bulrush, Deergrass, Tufted Bulrush
Scirpus californicus — Giant Bulrush, Southern Bulrush, Tule, California Bulrush
Scirpus carinatus — Keeled Bulrush
Scirpus cespitosus — Deerhair Bulrush, Deergrass, Tufted Bulrush
Scirpus cubensis — Cuban-bulrush
Scirpus eriophorum — Woolgrass Bulrush, Marsh Bulrush, Woolly Bulrush
Scirpus mucronatus — Roughseed Bulrush, Bog Bulrush, Ricefield Bulrush
Scirpus pungens var. pungens — Common Threesquare, Chairmaker's Rush, Swordgrass
Scirpus sylvaticus — Woodland Bulrush
Scirpus tabernaemontani — Softstem Bulrush, Great Bulrush
Scleria elliottii — Broad-leaved Hairy Nutrush, Elliott's Nutrush
Scutellaria altamaha ssp. australis — Hoary Skullcap, Downy Skullcap
Scutellaria altamaha var. australis — Hoary Skullcap, Downy Skullcap
Scutellaria ambigua — Shale-barren Skullcap, Glade Skullcap, Leonard's Skullcap
Scutellaria arguta — Heartleaf Skullcap
Scutellaria cuthbertii — Heartleaf Skullcap
Scutellaria integrifolia var. hispida — Hyssop Skullcap, Narrowleaf Skullcap
Scutellaria integrifolia var. multiglandulosa — Small's Skullcap
Scutellaria ovalifolia — Kentucky Skullcap, Hairy Skullcap
Scutellaria ovalifolia — Hairy Skullcap, Elliptic-leaved Skullcap
Scutellaria ovalifolia ssp. hirsuta — Kentucky Skullcap, Hairy Skullcap
Scutellaria ovalifolia ssp. mollis — Hairy Skullcap, Elliptic-leaved Skullcap
Scutellaria ovata ssp. calcarea — Heartleaf Skullcap
Scutellaria ovata ssp. cuthbertii — Heartleaf Skullcap
Scutellaria ovata ssp. mexicana — Heartleaf Skullcap
Scutellaria ovata ssp. ovata var. ovata — Heartleaf Skullcap
Scutellaria ovata ssp. pseudoarguta — Heartleaf Skullcap
Scutellaria ovata ssp. rugosa var. rugosa — Heartleaf Skullcap
Scutellaria ovata ssp. venosa — Heartleaf Skullcap
Scutellaria ovata ssp. versicolor — Heartleaf Skullcap
Scutellaria ovata ssp. virginiana — Heartleaf Skullcap
Scutellaria ovata var. calcarea — Heartleaf Skullcap
Scutellaria ovata var. versicolor — Heartleaf Skullcap
Scutellaria parvula var. leonardii — Shale-barren Skullcap, Glade Skullcap, Leonard's Skullcap
Scutellaria punctata — Hoary Skullcap, Downy Skullcap
Scutellaria serrata var. montana — Large-flowered Skullcap
Scutellaria serrata var. serrata — Showy Skullcap, Serrate Skullcap
Sebastiana ligustrina — Sebastian-bush
Sebastiania fruticosa — Sebastian-bush
Sedum rosea var. roanense — Roseroot, Goldenroot, King's Crown
Sedum vigilimontis — Widow's Cross, Glade Stonecrop, Rock Moss, Lime Stonecrop
Selaginella apoda var. apoda — Meadow Spikemoss
Selaginella apoda var. ludoviciana — Louisiana Spikemoss, Gulf Spikemoss
Senecio alabamensis — Woolly Ragwort, Woolly Groundsel, Woolly Goldenwort
Senecio anonymus — Small's Ragwort, Squaw-weed, Appalachian Ragwort
Senecio crawfordii — Bog Ragwort, Crawford's Groundsel, Crawford’s Ragwort
Senecio gracilis — Golden Ragwort, Heartleaf Ragwort, Golden Groundsel
Senecio plattensis — Appalachian Ragwort, Appalachian Groundsel
Senecio rotundus — Roundleaf Ragwort, Roundleaf Groundsel, Spatulate-leaved Ragwort, Running Ragwort
Senecio schweinitzianus — Robbins' Ragwort, New England Ragwort, New England Groundsel, Schweinitz's Ragwort
Senecio suaveolens — Sweet-scented Indian-plantain, Sweet Indian-plantain, false Indian plantain
Sericocarpus bifoliatus — Twisted-leaf Whitetop Aster, Dixie Whitetop Aster
Serinia oppositifolia — Opposite-leaf Dwarf-dandelion
Sesban exaltatus — Bigpod Sesbania, Coffee-weed, Indigo-weed, Hemp Sesbania
Sesbania macrocarpa — Bigpod Sesbania, Coffee-weed, Indigo-weed, Hemp Sesbania
Setaria faberii — Nodding Foxtail Grass, Giant Foxtail-grass, Chinese Foxtail
Setaria geminata var. geminata — Alligator Grass, Paspalidium, Kissimmee Grass
Setaria geminata var. paludivaga — Alligator Grass, Paspalidium, Kissimmee Grass
Setaria lutescens — Yellow Foxtail
Setaria pumila ssp. pallidifusca — Yellow Foxtail
Setaria pumila ssp. pumila — Yellow Foxtail
Setaria verticillata var. verticillata — Hooked Bristlegrass
Setiscapella cleistogama — Slender Bladderwort, Zigzag Bladderwort
Setiscapella subulata — Slender Bladderwort, Zigzag Bladderwort
Seutera angustifolia — Swallow-wort, Sand-vine, Gulf Coast Swallow-wort, Marsh Cynanchum
Seymeria macrophylla — Mullein Foxglove
Sherwoodia galacifolia — Oconee Bells, Southern Shortia
Sherwoodia galacifolia — Northern Shortia, Northern Oconee Bells
Sibbaldia retusa — Wineleaf Cinqefoil, Mountain Cinqefoil, Three-toothed Cinqefoil, Mountain White Potentilla
Sibbaldia tridentata — Wineleaf Cinqefoil, Mountain Cinqefoil, Three-toothed Cinqefoil, Mountain White Potentilla
Sida inflexa — Coastal Plain Sida, Elliott's Fanpetals
Sideroxylon lanuginosum ssp. albicans — Eastern Gum Bumelia, Eastern Gum Bully
Sideroxylon lanuginosum ssp. oblongifolium — Eastern Gum Bumelia, Eastern Gum Bully
Sieversia radiata — Mountain Avens, Appalachian Avens, Spreading Avens, Cliff Avens
Silene alba — Snowy Campion
Silene baldwinii — Eastern Fringed Campion, Eastern Fringed Catchfly
Silene caroliniana ssp. caroliniana var. caroliniana — South Carolina Wild-pink, Rock Catchfly, Carolina Pink
Silene caroliniana ssp. caroliniana var. pensylvanica — Northern Wild-pink, Sticky Catchfly, Pennsylvania Catchfly
Silene catesbaei — Eastern Fringed Campion, Eastern Fringed Catchfly
Silene flos-cuculi — Ragged Robin
Silene pensylvanica — Northern Wild-pink, Sticky Catchfly, Pennsylvania Catchfly
Silphium asteriscus var. angustatum — Starry Rosinweed
Silphium asteriscus var. dentatum — Starry Rosinweed
Silphium asteriscus var. simpsonii — Simpson's rosinweed
Silphium compositum — Carolina Rosinweed, Compassplant, Rhubarb-leaved Rosinweed
Silphium compositum — Ragged Rosinweed, Kidneyleaf Rosinweed
Silphium dentatum var. gatesii — Starry Rosinweed
Silphium elliottii — Starry Rosinweed
Silphium glabrum — Whorled Rosinweed
Silphium gracile — Simpson's rosinweed
Silphium incisum — Starry Rosinweed
Silphium integrifolium var. deamii — Prairie Rosinweed
Silphium integrifolium var. laeve — Gattinger's Rosinweed
Silphium laciniatum var. robinsonii — Compassplant
Silphium nodosum — Starry Rosinweed
Silphium nodum — Starry Rosinweed
Silphium orae — Carolina Rosinweed, Compassplant, Rhubarb-leaved Rosinweed
Silphium rumicifolium — Prairie-dock, Broadleaf Prairie-dock
Silphium scaberrimum — Starry Rosinweed
Silphium terebinthinaceum var. luciae-brauniae — Prairie-dock, Broadleaf Prairie-dock
Silphium terebinthinaceum var. lucy-brauniae — Prairie-dock, Broadleaf Prairie-dock
Silphium terebinthinaceum var. lucybrauniae — Prairie-dock, Broadleaf Prairie-dock
Silphium terebinthinaceum var. pinnatifidum — Tansy Rosinweed, Cutleaf Prairie-dock
Sisymbrium nasturtium-aquaticum — Watercress
Sisymbrium officinale var. leiocarpum — Hedge Mustard
Sisyrinchium brownei — Annual Blue-eyed-grass, Lawn Blue-eyed-grass, Fairy Stars
Sisyrinchium fibrosum — Nash's Blue-eyed-grass
Sisyrinchium graminoides — Narrowleaf Blue-eyed-grass, Stout Blue-eyed-grass
Sisyrinchium incrustatum — Bristly Blue-eyed-grass, Coastal Plain Blue-eyed-grass
Sisyrinchium scabrellum — Pale Blue-eyed-grass, White Blue-eyed-grass
Sitilias caroliniana — Carolina False-dandelion, Carolina Desert-chicory
Sium cicutaefolium — Hemlock Water-parsnip
Sium floridanum — Hemlock Water-parsnip
Smilacina stellata — Starry Solomon's Plume, Starflower, Starry Solomon's Seal
Smilax glauca var. glauca — Whiteleaf Greenbrier, Wild Sarsaparilla, Sawbrier
Smilax glauca var. leurophylla — Whiteleaf Greenbrier, Wild Sarsaparilla, Sawbrier
Smilax herbacea var. lasioneura — Midwestern Carrionflower
Smilax lanceolata — Jackson-brier, Unarmed Catbrier, Sweet-scented Smilax
Smilax lasioneuron — Midwestern Carrionflower
Smilax pseudo-china — Coastal Carrionflower, Bamboo-vine
Smilax tamnoides var. hispida — Bristly Greenbrier, Hellfetter, Chinaroot, Chaneyroot
Snakeberry — Indian Strawberry, Mock Strawberry
Solanum capsicastrum — Jerusalem-cherry
Solanum nigrum ssp. nigrum — European Black Nightshade
Solanum physalifolium var. nitidibaccum — Hairy Nightshade, Viscid Nightshade
Solanum pseudo-capsicum — Jerusalem-cherry
Solanum ptychanthum — Eastern Black Nightshade
Solanum sarachoides — Hairy Nightshade, Viscid Nightshade
Solidago altissima ssp. altissima — Tall Goldenrod, Field Goldenrod, Common Goldenrod
Solidago altissima ssp. altissima — Southern Tall Goldenrod
Solidago arguta ssp. arguta — Forest Goldenrod, Sharp-leaved Goldenrod, Cutleaf Goldenrod
Solidago arguta ssp. arguta var. arguta — Forest Goldenrod, Sharp-leaved Goldenrod, Cutleaf Goldenrod
Solidago arguta ssp. caroliniana var. boottii — Boott's Goldenrod, Cutleaf Goldenrod
Solidago arguta ssp. caroliniana var. caroliniana — Vasey's Goldenrod, Atlantic Goldenrod
Solidago aspera — Wrinkleleaf Goldenrod
Solidago boottii var. caroliniana — Vasey's Goldenrod, Atlantic Goldenrod
Solidago caesia var. caesia — Bluestem Goldenrod, Axillary Goldenrod, Wreath Goldenrod, Bridal-wreath Goldenrod
Solidago caesia var. curtisii — Curtis's Goldenrod
Solidago canadensis — Tall Goldenrod, Field Goldenrod, Common Goldenrod
Solidago canadensis — Harger's Common Goldenrod, Harger's Canada Goldenrod
Solidago canadensis — Canada Goldenrod
Solidago canadensis — Riverbank Goldenrod, Rock Goldenrod
Solidago canadensis — Southern Tall Goldenrod
Solidago canadensis var. rupestris — Riverbank Goldenrod, Rock Goldenrod
Solidago canadensis var. scabra — Tall Goldenrod, Field Goldenrod, Common Goldenrod
Solidago canadensis var. scabra — Southern Tall Goldenrod
Solidago celtidifolia — Hackberry-leaf Goldenrod
Solidago conferta — Showy Goldenrod, Noble Goldenrod
Solidago curtisii var. flaccidifolia — Appalachian Goldenrod, Mountain Goldenrod
Solidago curtisii var. pubens — Curtis's Goldenrod
Solidago glaberrima — Eastern Missouri Goldenrod
Solidago harperi — Showy Goldenrod, Noble Goldenrod
Solidago harperi — Downy Ragged Goldenrod, Downy Goldenrod
Solidago hirsutissima — Tall Goldenrod, Field Goldenrod, Common Goldenrod
Solidago hirsutissima — Southern Tall Goldenrod
Solidago hispida — Hairy Goldenrod
Solidago juncea var. juncea — Early Goldenrod
Solidago juncea var. neobohemica — Early Goldenrod
Solidago leptocephala — Narrowhead Goldentop, Mississippi Valley Flat-topped Goldenrod
Solidago ludoviciana — Atlantic Goldenrod
Solidago milleriana — Downy Ragged Goldenrod, Downy Goldenrod
Solidago missouriensis — Eastern Missouri Goldenrod
Solidago nemoralis ssp. nemoralis — Eastern Gray Goldenrod
Solidago odora ssp. chapmanii — Chapman's Goldenrod
Solidago odora ssp. odora — Licorice Goldenrod, Sweet Goldenrod, Anise Goldenrod, Anise-scented Goldenrod
Solidago patula ssp. patula — Northern Roughleaf Goldenrod
Solidago patula ssp. strictula — Southern Roughleaf Goldenrod
Solidago perlonga — Pine Barren Bog Goldenrod, Northern Wand Goldenrod
Solidago petiolata — Southern Wand Goldenrod
Solidago pubens — Curtis's Goldenrod
Solidago puberula ssp. puberula — Downy Goldenrod
Solidago puberula ssp. pulverulenta — Dusty Downy Goldenrod
Solidago purshii — Narrowleaf Bog Goldenrod
Solidago radula var. stenolepis — Rough Goldenrod
Solidago rigida ssp. glabrata — Southeastern Stiff Goldenrod, Southeastern Bold Goldenrod
Solidago rigida ssp. rigida — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod, Stiff-leaved Goldenrod
Solidago rigida var. glabrata — Southeastern Stiff Goldenrod, Southeastern Bold Goldenrod
Solidago rigida var. grandiflorus — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod, Stiff-leaved Goldenrod
Solidago rigida var. rigida — Midwestern Stiff Goldenrod, Hard-leaved Goldenrod, Midwestern Bold Goldenrod, Stiff-leaved Goldenrod
Solidago rugosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod
Solidago rugosa — Wrinkleleaf Goldenrod
Solidago rugosa — Cronquist's Wrinkleleaf Goldenrod, Cronquist's Goldenrod
Solidago rugosa — Peat-loving Goldenrod
Solidago rugosa — Hackberry-leaf Goldenrod
Solidago rugosa ssp. aspera var. aspera — Wrinkleleaf Goldenrod
Solidago rugosa ssp. aspera var. celtidifolia — Hackberry-leaf Goldenrod
Solidago rugosa ssp. aspera var. cronquistiana — Cronquist's Wrinkleleaf Goldenrod, Cronquist's Goldenrod
Solidago rugosa ssp. rugosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod
Solidago rugosa ssp. rugosa var. villosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod
Solidago rugosa var. sphagnophila — Peat-loving Goldenrod
Solidago rugosa var. villosa — Wrinkleleaf Goldenrod, Roughstem Goldenrod
Solidago sempervirens ssp. mexicana — Southern Seaside Goldenrod
Solidago sempervirens ssp. sempervirens — Northern Seaside Goldenrod
Solidago serotina — Smooth Goldenrod, Late Goldenrod, Giant Goldenrod
Solidago speciosa ssp. speciosa var. rigidiuscula — Narrowleaf Showy Goldenrod, Slender Showy Goldenrod, Stiff-leaved Showy Goldenrod, Prairie Goldenrod
Solidago speciosa ssp. speciosa var. speciosa — Showy Goldenrod, Noble Goldenrod
Solidago speciosa var. erecta — Slender Goldenrod, Erect Goldenrod
Solidago spithamea — Blue Ridge Goldenrod
Solidago stricta ssp. gracillima — Pine Barren Bog Goldenrod, Northern Wand Goldenrod
Solidago stricta ssp. gracillima — Southern Bog Goldenrod, Graceful Goldenrod
Solidago stricta ssp. gracillima — Piedmont Wand Goldenrod
Solidago stricta ssp. stricta — Southern Wand Goldenrod
Solidago strigosa — Boott's Goldenrod, Cutleaf Goldenrod
Solidago tenuifolia — Carolina Goldentop, Slender Flattop Goldenrod
Solidago ulmifolia var. palmeri — Elmleaf Goldenrod
Solidago uniligulata — Northern Bog Goldenrod, Swamp Goldenrod
Solidago yadkinensis — Vasey's Goldenrod, Atlantic Goldenrod
Sonchus uliginosus — Field Sowthistle, Perennial Sowthistle
Sophia pinnata — Southeastern Tansy-mustard
Sophora japonica — Japanese Pagoda Tree
Sorengia tenera — Southeastern Panicgrass
Sorghum bicolor var. bicolor — Sorghum, Milo, Broomcorn, Sorgo
Sorghum vulgare var. vulgare — Sorghum, Milo, Broomcorn, Sorgo
Sorgum halepense — Johnsongrass
Sorgum vulgare — Sorghum, Milo, Broomcorn, Sorgo
Spartina alterniflora var. alterniflora — Saltmarsh Cordgrass, Smooth Cordgrass
Spartina alterniflora var. glabra — Saltmarsh Cordgrass, Smooth Cordgrass
Spartina alterniflora var. pilosa — Saltmarsh Cordgrass, Smooth Cordgrass
Spartina patens var. monogyna — Small Saltmeadow Cordgrass, Salt Hay, Marsh-hay Cordgrass
Spartina patens var. patens — Small Saltmeadow Cordgrass, Salt Hay, Marsh-hay Cordgrass
Spathyema foetida — Skunk Cabbage
Sphenopholis obtusata var. major — Slender Wedgegrass
Sphenopholis obtusata var. obtusata — Prairie Wedgegrass
Spigelia marylandica — Indian-pink, Woodland Pinkroot, Wormgrass
Spilanthes americana — Spilanthes, Creeping Spotflower
Spiraea betulifolia var. corymbosa — Dwarf Spiraea, Rock Spiraea, Shinyleaf Meadowsweet
Spiraea septentrionalis — Broadleaf Meadowsweet
Spiraea tomentosa var. rosea — Hardhack, Steeplebush, Rosy Meadowsweet
Spiraea tomentosa var. tomentosa — Hardhack, Steeplebush, Rosy Meadowsweet
Spiranthes ×laciniata — Lace-lip Ladies'-tresses, Lace-lip Spiral Orchid
Spiranthes brevilabris var. brevilabris — Short-lipped Ladies'-tresses, Texas Ladies'-tresses
Spiranthes brevilabris var. floridana — Florida Ladies'-tresses
Spiranthes cernua var. ochroleuca — Yellow Ladies'-tresses, Yellow Nodding Ladies'-tresses
Spiranthes gracilis — Southern Slender Ladies'-tresses
Spiranthes gracilis — Northern Slender Ladies'-tresses
Spiranthes gracilis var. brevilabris — Short-lipped Ladies'-tresses, Texas Ladies'-tresses
Spiranthes lacera — Northern Slender Ladies'-tresses
Spiranthes lacera var. eatonii — Eaton's Ladies'-tresses
Spiranthes parksii — Nodding Ladies'-tresses
Spirodela punctata — Dotted Duckmeat
splenium ×heteroresiliens — Marl Spleenwort, Carolina Spleenwort, Wagner's Spleenwort, Morzenti's Spleenwort
Sporobolus alterniflorus — Saltmarsh Cordgrass, Smooth Cordgrass
Sporobolus asper — Tall Dropseed
Sporobolus asper var. asper — Tall Dropseed
Sporobolus berteroanus — West Indian Dropseed
Sporobolus berteroanus — Smut-grass, Blackseed
Sporobolus compositus var. clandestinus — Rough Dropseed
Sporobolus cynosuroides — Giant Cordgrass, Big Cordgrass
Sporobolus gracilis — Sandhills Dropseed, Pineywoods Dropseed
Sporobolus pumilus — Small Saltmeadow Cordgrass, Salt Hay, Marsh-hay Cordgrass
Sporobolus pyramidalis — West Indian Dropseed
Stachys ambigua — Roughleaf Hedgenettle, Rough Hedgenettle
Stachys hyssopifolia var. lythroides — Roughleaf Hedgenettle, Rough Hedgenettle
Stachys lythroides — Roughleaf Hedgenettle, Rough Hedgenettle
Stachys olympica — Lamb's-ear, Woolly Hedge-nettle
Stachys palustris var. palustris — marsh hedgenettle
Stachys palustris var. pilosa — Woundwort
Stachys riddellii — Heart-leaved Hedgenettle
Stachys riddellii — Nuttall’s Hedgenettle
Stachys salvioides — Heart-leaved Hedgenettle
Stachys salvioides — Nuttall’s Hedgenettle
Stachys tenuifolia var. hispida — Hispid Hedgenettle
Stachys tenuifolia var. latidens — Broadtooth Hedgenettle
Stachys tenuifolia var. perlonga — Smooth Hedgenettle
Stachys tenuifolia var. tenuifolia — Smooth Hedgenettle
Stachys tenuifolia var. tenuifolia — Hispid Hedgenettle
Steironema heterophyllum — Lanceleaf Loosestrife
Steironema intermedium — Southern Loosestrife, Appalachian Loosestrife
Steironema quadriflora — Prairie Loosestrife, Four-flower Loosestrife, Smooth Loosestrife
Stellaria pubera var. pubera — Star Chickweed, Giant Chickweed, Great Chickweed, Common Starwort
Stellaria pubera var. silvatica — Tennessee Starwort
Stellaria silvatica — Tennessee Starwort
Stenanthium gramineum var. micranthum — Featherbells, Eastern Featherbells
Stenanthium robustum — Bog Featherbells
Stenophyllus barbatus — Old World Hairsedge, Water-grass
Stenophyllus capillaris — Densetuft Hairsedge, Common Hairsedge
Stenophyllus ciliatifolius — Savannah Hairsedge, Capillary Hairsedge
Stenophyllus coarctatus — Elliott's Hairsedge
Stenophyllus stenophyllus — Sandy-field Hairsedge
Stenophyllus warei — Ware's Hairsedge
Stewartia malachodendron — Silky Camellia, Virginia Stewartia, Stewartia
Stillingia spathulata — Queen's-delight
Stillingia sylvatica var. sylvatica — Queen's-delight
Stillingia tenuis — Corkwood, Water Toothleaf
Stipa trichotoma — Serrated Tussockgrass, Nassella Tussock, Yass River Tussock
Stipulicida filiformis — Coastal Plain Wireplant, Pineland Scaly-pink
Stomoisia cornuta — Horned Bladderwort
Stomoisia juncea — Southern Bladderwort, Slender Horned Bladderwort
Stomoisia virgatula — Southern Bladderwort, Slender Horned Bladderwort
Streptopus amplexifolius var. americanus — Clasping Twisted-stalk, White Mandarin, Pagoda-bells
Streptopus lanceolatus — Rosy Twisted-stalk, Eastern Rose Mandarin, Eastern Twisted-stalk
Streptopus lanceolatus var. roseus — Rosy Twisted-stalk, Eastern Rose Mandarin, Eastern Twisted-stalk
Strobus strobus — Eastern White Pine
Strophocaulos arvensis — Field Bindweed, Creeping Jenny, Possession-vine, Cornbind
Strophostyles helvula — Annual Sand Bean, Beach Pea, Trailing Wild Bean, Trailing Fuzzy-Bean
Stuartia malachodendron — Silky Camellia, Virginia Stewartia, Stewartia
Stylisma patens var. angustifolia — Narrowleaf Dawnflower
Stylisma patens var. patens — Sandhill Dawnflower, Sandhill Morning Glory, Coastal Plain Dawnflower, Common Dawnflower
Stylisma pickeringii — Pickering's Dawnflower
Stylisma trichosanthes — Sandhill Dawnflower, Sandhill Morning Glory, Coastal Plain Dawnflower, Common Dawnflower
Stylodon carneum — Carolina Vervain, Carolina False Vervain
Stylodon carolinensis — Carolina Vervain, Carolina False Vervain
Stylosanthes riparia — Pencil-flower, Sidebeak Pencil-flower
Stylypus vernus — Spring Avens, Heartleaf Avens
Styrax americana var. americana — American Storax, American Snowbell
Styrax americana var. pulverulenta — American Storax, American Snowbell
Styrax pulverulenta — Downy American Snowbell
Svida alternifolia — Alternate-leaf Dogwood, Pagoda Dogwood, Pagoda Cornel
Svida amomum — Silky Dogwood, Bush Dogwood, Silky Cornel
Svida asperifolia — Midwestern Roughleaf Dogwood
Svida femina — Northern Swamp Dogwood, Gray Dogwood
Svida microcarpa — Eastern Roughleaf Dogwood
Svida priceae — Midwestern Roughleaf Dogwood
Svida stricta — Southern Swamp Dogwood
Swida amomum var. amomum — Silky Dogwood, Bush Dogwood, Silky Cornel
Swida stolonifera — Red Osier Dogwood, Bailey's Dogwood
Swida stricta — Southern Swamp Dogwood
Symphoricarpos rivularis — Pacific Snowberry
Symphoricarpos symphoricarpos — Coralberry, Indian Currant, Buckbrush
Symphyotrichum carolinianum — Climbing Aster
Symphyotrichum dumosum — Bushy Aster, Long-stalked Aster, Rice Button Aster
Symphyotrichum lateriflorum var. angustifolium — Calico Aster, Starved Aster, Goblet Aster
Symphyotrichum lateriflorum var. horizontale — Calico Aster, Starved Aster, Goblet Aster
Symphyotrichum ontarione var. ontarione — Bottomland Aster
Symphyotrichum praealtum — Willowleaf Aster, Veiny-lined Aster, Tall Aster, Willow Aster
Symphyotrichum sagittifolium — White Arrowleaf Aster, Arrowleaf Blue Wood Aster
Symphyotrichum subulatum var. ligulatum — Midwestern Saltmarsh Aster, Annual Water Aster, Yard Aster
Symphyotrichum subulatum var. subulatum — Eastern Saltmarsh Aster, Annual Saltmarsh Aster
Symphyotrichum tenuifolium var. tenuifolium — Perennial Saltmarsh Aster
Syndesmon thalictroides — Windflower, Rue-anemone
Synosma suaveolens — Sweet-scented Indian-plantain, Sweet Indian-plantain, false Indian plantain
Syntherisma filiformis — Slender Crabgrass
Syntherisma ischaemum — Smooth Crabgrass
Syntherisma sanguinalis — Hairy Crabgrass, Northern Crabgrass
Talinum mengesii — Menges' Fameflower, Large-flowered Fameflower, Menges' Rock-pink, Large-flowered Rock-pink
Talinum mengesii — Piedmont Rock-pink, Piedmont Fameflower
Talinum paniculatum var. paniculatum — Panicled Fameflower, Jewels-of-Opar, Pink Baby’s-breath
Tamala pubescens — Swamp Redbay, Swamp Bay
Tamarix pentandra — Chinese Tamarisk
Tarenaya hassleriana — Cleome, Spiderflower, Pinkqueen
Taxodium distichum var. distichum — Bald Cypress
Taxodium distichum var. imbricarium — Pond Cypress
Teucrium canadense var. virginicum — American Germander, Wood Sage, Common Germander
Teucrium littorale — American Germander, Wood Sage, Common Germander
Thalesia uniflora — One-flowered Cancer-root, One-flowered Broomrape, Ghostpipe
Thalictrum caulophylloides — Appalachian Meadowrue, Maid-of-the-mist
Thalictrum pubescens var. hepaticum — Appalachian Tall Meadowrue
Thalictrum pubescens var. pubescens — Common Tall Meadowrue, King-of-the-meadow, Late Meadowrue
Thalictrum steeleanum — Appalachian Meadowrue, Maid-of-the-mist
Thalictrum subrotundum — Small-leaved Meadowrue, Small-flowered Meadowrue
Thaspium barbinode var. angustifolium — Creamy Meadow-parsnip, Chapman's Meadow-parsnip
Thaspium barbinode var. barbinode — Hairy-jointed Meadow-parsnip
Thaspium barbinode var. chapmanii — Creamy Meadow-parsnip, Chapman's Meadow-parsnip
Thaspium trifoliatum — Purple Meadow-parsnip, Woodland Parsnip
Thaspium trifoliatum — Yellow Meadow-parsnip, Woodland Parsnip
Thea sinensis — Tea
Thelypteris normalis — Kunth's Maiden-fern, Southern Shield-fern, Southern Woodfern
Thelypteris ovata var. harperi — Ovate Maiden Fern, ovate marsh fern
Thelypteris quadrangularis var. versicolor — Hairy Maiden Fern
Thelypteris reducta — Downy Maiden-fern, Soft Fern, Downy Shield-fern
Thelypteris thelypteris — Marsh Fern
Thelypteris torresiana — Mariana Maiden-fern, Swordfern, False Maiden-fern
Thelypteris versicolor — Hairy Maiden Fern
Thermopsis caroliniana — Aaron's Rod, Blue Ridge Golden-banner, Hairy Bush Pea
Thermopsis hugeri — Appalachian Golden-banner, Allegheny Mountain Golden-banner, Bush Pea
Thermopsis mollis var. fraxinifolia — Ashleaf Golden-banner
Thermopsis mollis var. mollis — Appalachian Golden-banner, Allegheny Mountain Golden-banner, Bush Pea
Therophon aconitifolium — Brook-saxifrage, Eastern Boykinia, Allegheny Brookfoam, Aconite-saxifrage
Thuja orientalis — Oriental Arborvitae, Tree-of-life
Thyella tamnifolia — Common Jacquemontia, Hairy Clustervine, Tie Vine, Smallflower Morning Glory
Thysanella fimbriata — Sandhill Jointweed, Fringed Thysanella
Tiaridium indicum — Indian Heliotrope, Turnsole
Tilia americana var. neglecta — American Basswood, Northern Basswood
Tilia australis — Mountain Basswood, White Basswood
Tilia caroliniana ssp. caroliniana — Carolina Basswood, Southern Basswood
Tilia caroliniana ssp. floridana — Carolina Basswood, Southern Basswood
Tilia caroliniana ssp. heterophylla — Mountain Basswood, White Basswood
Tilia cordata ssp. cordata — Little-leaf Linden, Small-leaved Linden, Small-leaved Lime
Tilia eburnea — Mountain Basswood, White Basswood
Tilia floridana — Carolina Basswood, Southern Basswood
Tilia georgiana — Carolina Basswood, Southern Basswood
Tilia glabra — American Basswood, Northern Basswood
Tilia lasioclada — Mountain Basswood, White Basswood
Tilia littoralis — Carolina Basswood, Southern Basswood
Tilia michauxii — Mountain Basswood, White Basswood
Tilia monticola — Mountain Basswood, White Basswood
Tilia neglecta — American Basswood, Northern Basswood
Tilia truncata — American Basswood, Northern Basswood
Tipularia unifolia — Cranefly Orchid
Tithymalopsis apocynifolia — Limestone Flowering Spurge?
Tithymalopsis corollata — Eastern Flowering Spurge
Tithymalopsis curtisii — White Sandhills Spurge, Curtis's Spurge
Tithymalopsis discoidalis — Summer Spurge
Tithymalopsis eriogonoides — White Sandhills Spurge, Curtis's Spurge
Tithymalopsis exserta — Maroon Sandhills Spurge, Coastal Sand Spurge, Purple Sandhill-spurge
Tithymalopsis gracilis — Maroon Sandhills Spurge, Coastal Sand Spurge, Purple Sandhill-spurge
Tithymalopsis ipecacuanhae — Carolina Ipecac, Wild Ipecac, American Ipecac
Tithymalopsis mercurialina — Cumberland Spurge, Mercury Spurge
Tithymalopsis paniculata — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge
Tithymalopsis zinniiflora — False Flowering Spurge, Southeastern Flowering Spurge, Southern Flowering Spurge
Tithymalus cyparissias — Cypress Spurge, Graveyard Spurge
Tium michauxii — Sandhill Milkvetch, Michaux's Milkvetch
Tofieldia glutinosa — Sticky Bog Asphodel, Northern Bog Asphodel, False Asphodel
Tofieldia racemosa — Coastal Bog Asphodel, Southern Bog Asphodel, Coastal False Asphodel, Savanna Asphodel
Tofieldia tenuifolia — Rush-featherling, Pleea
Torilis arvensis ssp. recta — Spreading Hedge-parsley, Spreading Bur-parsley, Field Hedge-parsley
Tortipes amplexifolius — Clasping Twisted-stalk, White Mandarin, Pagoda-bells
Toxicodendron negundo — Midwestern Poison Ivy
Toxicodendron quercifolium — Poison Oak, Southeastern Poison Oak
Toxicodendron radicans — Eastern Poison Ivy
Toxicodendron radicans var. rydbergii — Wesern Poison Ivy
Toxicodendron toxicodendron — Poison Oak, Southeastern Poison Oak
Toxylon pomiferum — Osage-orange, Hedge-apple, Bow-wood
Tracaulon arifolium — Halberd-leaf Tearthumb
Tracaulon sagittatum — Arrowleaf Tearthumb, Arrowvine, Scratch-grass
Tracyanthus angustifolius — Crow-poison, Savanna Camass, Osceola-plume
Tradescantia brevicaulis — Virginia Spiderwort
Tradescantia foliosa — Smooth Spiderwort, Ohio Spiderwort
Tradescantia incarnata — Smooth Spiderwort, Ohio Spiderwort
Tradescantia montana — Zigzag Spiderwort, Wide-leaved Spiderwort
Tradescantia pilosa — Zigzag Spiderwort, Wide-leaved Spiderwort
Tradescantia reflexa — Smooth Spiderwort, Ohio Spiderwort
Tradescantia subaspera var. montana — Zigzag Spiderwort, Wide-leaved Spiderwort
Tragia linearifolia — Wavyleaf Noseburn, Southeastern Noseburn, Sandhill Noseburn
Tragia urticaefolia — Nettleleaf Noseburn, Tragia
Tragiola pilosa — Shaggy Hedge-hyssop, Pilose Hedge-hyssop
Triadenum longifolium — Southern Marsh St. Johnswort
Triadenum petiolatum — Walter’s Marsh St. Johnswort, Greater Marsh St. Johnswort
Tricholaena rosea — Rose Natalgrass, Creeping Molasses-grass
Trichophorum caespitosum — Deerhair Bulrush, Deergrass, Tufted Bulrush
Trichostema dichotomum var. dichotomum — Common Blue Curls, Forked Blue Curls
Trichostema dichotomum var. lineare — Narrowleaf Blue Curls
Trichostema lineare — Narrowleaf Blue Curls
Triclisperma paucifolia — Gaywings, Fringed Polygala, Flowering Wintergreen, Bird-on-the-wing
Trifolium procumbens — Hop Clover, Low Hop Clover, Field Clover
Trifolium saxicola — Carolina Clover, Wild White Clover
Trillium - "Amicalola Trillium" — Amicalola Trillium
Trillium cernuum var. macranthum — Southern Nodding Trillium
Trillium declinatum — Bent Trillium, Bent White Trillium, Bentstalk Trillium, Drooping Trillium
Trillium erectum var. album — Red Trillium, Purple Trillium, Stinking Willie, Stinking Benjamin
Trillium erectum var. declinatum — Bent Trillium, Bent White Trillium, Bentstalk Trillium, Drooping Trillium
Trillium freemanii — Lookout Mountain Trillium, Ruby Falls Trillium, Freeman's Trillium
Trillium gleasoni — Bent Trillium, Bent White Trillium, Bentstalk Trillium, Drooping Trillium
Trillium hugeri — Little Sweet Betsy, Purple Toadshade
Trillium pusillum var. 2 — Georgia Least Trillium
Trillium pusillum var. georgianum — Georgia Least Trillium
Trillium viride var. luteum — Yellow Trillium, Yellow Toadshade, Lemon-scented Trillium, Wax Trillium
Triodanis perfoliata ssp. biflora — Southern Venus's Looking-glass, Small Venus's Looking-glass
Triodanis perfoliata ssp. perfoliata — Clasping Venus's Looking-glass
Triodanis perfoliata var. biflora — Southern Venus's Looking-glass, Small Venus's Looking-glass
Triodanis perfoliata var. perfoliata — Clasping Venus's Looking-glass
Triodia drummondii — Carolina Triodia, Carolina Fluffgrass
Triodia flava — Purpletop, Purpletop Tridens, Greasy Grass, Tall Redtop
Triodia stricta — Longspike Tridens, Longspike Fluffgrass, Spike Triodia
Trionum trionum — Flower-of-an-hour, Venice Mallow, Bladder Ketmia
Triorchos ecristatus — Spiked Medusa, Crestless Plume Orchid, Smooth-lipped Eulophia, Non-crested Eulophia
Triosteum perfoliatum var. aurantiacum — Orange-fruited Horse-gentian
Triosteum perfoliatum var. perfoliatum — Perfoliate Horse-gentian, Perfoliate Tinker's-weed, Wild Coffee, Feverwort
Triphora trianthophora ssp. trianthophora — Three Birds Orchid, Nodding Pogonia, Nodding Ettercap
Triphora trianthophoros — Three Birds Orchid, Nodding Pogonia, Nodding Ettercap
Triplasis intermedia — Purple Sandgrass
Tripleurospermum maritimum ssp. inodorum — Scentless Chamomile, False Chamomile, Mayweed
Tripleurospermum perforata — Scentless Chamomile, False Chamomile, Mayweed
Tripsacum dactyloides var. occidentale — Gama Grass, Eastern Gamagrass
Tubiflora carolinensis — Carolina Elytraria
Tulipastrum acuminatum — Cucumber Magnolia, Cucumber-tree
Tulipastrum cordatum — Piedmont Cucumber Magnolia, Yellow Cucumber-tree, Showy Cucumber Magnolia
Tumion taxifolium — Florida Torreya, Stinking-cedar
Ulmus floridana — Florida Elm
Ulmus fulva — Slippery Elm, Red Elm
Unifolium canadense — Canada Mayflower, "False Lily-of-the-valley", "Wild Lily-of-the-valley"
Uniola longifolia — Longleaf Woodoats, Longleaf Spikegrass, Upland Oats
Urechites lutea — Wild Allamanda, Hammock Viper's-tail
Urechites pinetorum — Wild Allamanda, Hammock Viper's-tail
Urtica dioica var. dioica — European Stinging Nettle, Great Nettle
Urtica gracilis — American Stinging Nettle, Slender Nettle
Urticastrum divaricatum — Canada Wood-nettle
Utricularia pumila — Longspur Creeping Bladderwort, Twoflower Bladderwort
Utricularia vulgaris ssp. macrorhiza — Greater Bladderwort, Common Bladderwort
Uvularia puberula var. nitida — Mountain Bellwort, Appalachian Bellwort, Carolina Bellwort, Coastal Bellwort
Uvularia puberula var. puberula — Mountain Bellwort, Appalachian Bellwort, Carolina Bellwort, Coastal Bellwort
Vaccinium alto-montanum — Blue Ridge Blueberry
Vaccinium ashei — Rabbiteye Blueberry, Swamp Blueberry, Rabbitberry, Smallflower Blueberry
Vaccinium australe — Southern Highbush Blueberry, Swamp Highbush Blueberry
Vaccinium brachycerum — Box Huckleberry
Vaccinium corymbosum var. atrococcum — Hairy Highbush Blueberry, Black Highbush Blueberry
Vaccinium darrowi — Darrow's Blueberry
Vaccinium erythrocarpum ssp. erythrocarpum — Bearberry, Highbush Cranberry, Mountain Cranberry
Vachellia farnesiana var. farnesiana — Common Sweet Acacia, Huisache
Vagnera australis — False Solomon's Seal, Eastern Solomon's Plume, May-plume
Vagnera racemosa — False Solomon's Seal, Eastern Solomon's Plume, May-plume
Valerianella intermedia — Navel Cornsalad
Valerianella olitoria — European Cornsalad
Valerianella patellaria — Navel Cornsalad
Valerianella radiata var. intermedia — Navel Cornsalad
Valerianella woodsiana — Beaked Cornsalad
Validallium tricoccum — Red Ramps, Rampscallions, Wild Leek
Vallisneria spiralis — American Eelgrass, Water-celery, Tapegrass, Vallisneria
Vandenboschia species 1 — Grotto-felt, Appalachian Trichomanes, Weft Fern
Veratrum intermedium — Ozark Bunchflower, Wood's False-hellebore
Veratrum latifolium — Crisped Bunchflower, Broadleaf Bunchflower, Slender Bunchflower
Veratrum viride var. viride — White-hellebore, Indian Poke, Green Hellebore, Cornhusk Lily
Verbena angustifolia — Narrowleaf Vervain
Verbena bipinnatifida — Dakota Vervain, Dakota Mock Vervain
Verbena bonariensis var. conglomerata — Purpletop Vervain, Tall Vervain
Verbena hastata var. hastata — Blue Vervain, Common Vervain, Simpler's-joy
Verbena hastata var. scabra — Blue Vervain, Common Vervain, Simpler's-joy
Verbena litoralis var. brevibracteata — Brazilian Vervain
Verbena litoralis var. brevibracteata — Purpletop Vervain, Tall Vervain
Verbena urticaefolia — White Vervain, Nettleleaf Verbena, Velvetleaf Vervain
Verbena urticifolia var. leiocarpa — White Vervain, Nettleleaf Verbena, Velvetleaf Vervain
Verbena urticifolia var. urticifolia — White Vervain, Nettleleaf Verbena, Velvetleaf Vervain
Verbesina alba — Eclipta, Pie-plant, Yerba-de-tajo, false daisy
Verbesina virginica — Southern Frostweed
Verbesina virginica — White Crownbeard, Common Frostweed, White Wingstem, Virginia Wingstem
Vernonia angustifolia — Narrowleaf Ironweed, Carolina Slender Ironweed, Carolina Sandhill Ironweed
Vernonia angustifolia — Georgia Sandhill Ironweed, Georgia Slender Ironweed
Vernonia angustifolia ssp. scaberrima — Georgia Sandhill Ironweed, Georgia Slender Ironweed
Vernonia georgiana — Georgia Ironweed
Vernonia harperi — New York Ironweed
Vernonia recurva — Georgia Sandhill Ironweed, Georgia Slender Ironweed
Vernonia scaberrima — Georgia Sandhill Ironweed, Georgia Slender Ironweed
Veronica beccabunga ssp. beccabunga — European Speedwell, European Brooklime
Veronica beccabunga var. americana — American Speedwell, Brooklime
Veronica beccabunga var. beccabunga — European Speedwell, European Brooklime
Veronica officinalis var. officinalis — Common Speedwell, Gypsyweed, Heath Speedwell
Veronica officinalis var. tournefortii — Common Speedwell, Gypsyweed, Heath Speedwell
Vesiculina purpurea — Purple Bladderwort
Viburnum densiflorum — Mapleleaf Viburnum, Maple-leaved Arrowwood, Dockmackie
Viburnum dentatum var. scabrellum — Southern Arrowwood
Viburnum nashii — Small-leaf Virburnum, Walter's Viburnum
Viburnum nudum var. angustifolium — Possumhaw Viburnum, Witherod Viburnum, Shining Viburnum
Viburnum opulus ssp. opulus — Guelder-rose Viburnum, Snowball
Viburnum opulus ssp. trilobum — Highbush-cranberry, Cranberry Tree, American Cranberry-bush
Viburnum opulus var. trilobum — Highbush-cranberry, Cranberry Tree, American Cranberry-bush
Viburnum ozarkense — Limerock Arrowwood
Viburnum plicatum var. tomentosa — Japanese Snowball Viburnum, Doublefile Viburnum
Viburnum semitomentosum — Southern Arrowwood
Viburnum semitomentosum — Carolina Arrowwood
Viburnum semitomentosum — Southern Arrowwood
Vicia cracca var. cracca — Cow Vetch, Tufted Vetch
Vicia hugeri — Carolina Vetch, Wood Vetch, Pale Vetch
Vicia sativa var. angustifolia — Narrowleaf Vetch, Garden Vetch
Vicia sativa var. sativa — Common Vetch
Vicia villosa var. villosa — Hairy Vetch, Fodder Vetch, Winter Vetch
Viguiera porteri — Confederate Daisy
Vincetoxicum gonocarpos — Eastern Anglepod
Vincetoxicum pubiflorum — Trailing Milkvine, Sandhill Spinypod
Vincetoxicum suberosum — Eastern Anglepod
Viola ×palmata — Wood Violet, Southern Three-lobed Violet
Viola ×primulifolia — Primrose-leaf Violet
Viola ×subsinuata — Monacan Violet, Blue Ridge Violet
Viola canadensis var. rugulosa — Canada Violet, Tall White Violet
Viola egglestoni — Eggleston's Violet, Nashville Violet, Cedar Glade Violet
Viola emarginata — Arrowleaf Violet, Arrowhead Violet
Viola emarginata var. 2 ["deltate"] — Deltate Violet?
Viola emarginata var. acutiloba — Arrowleaf Violet, Arrowhead Violet
Viola eriocarpon var. eriocarpon — Downy Yellow Violet, Hairy Yellow Forest Violet
Viola eriocarpon var. leiocarpon — Smooth Yellow Forest Violet, Smooth Yellow Violet
Viola esculenta — Atlantic Coast Salad Violet
Viola kitaibeliana var. rafinesquii — Johnny Jump-up, American Field Pansy, Wild Pansy
Viola lanceolata var. lanceolata — Lanceleaf Violet, Narrow-leaved Violet, White Bog Violet, Northern Water Violet
Viola lanceolata var. vittata — Strapleaf Violet, White Bog Violet, Southern Water Violet
Viola macloskeyi — Wild White Violet, White Marsh Violet
Viola missouriensis — LeConte's Violet, Sand Violet, Thinleaf Violet, Missouri Violet
Viola pallens — Wild White Violet, White Marsh Violet
Viola palmata — Wood Violet, Southern Three-lobed Violet
Viola palmata var. dilatata — Wavyleaf Violet
Viola palmata var. esculenta — Atlantic Coast Salad Violet
Viola palmata var. heterophylla — Atlantic Coast Salad Violet
Viola palmata var. pedatifida — Eggleston's Violet, Nashville Violet, Cedar Glade Violet
Viola papilionacea — Dooryard Violet, Confederate Violet, Common Blue Violet
Viola pedata var. lineariloba — Common Birdsfoot Violet
Viola pedata var. ranunculifolia — Sandhills Birdsfoot Violet
Viola pedatifida ssp. brittoniana — Northern Coastal Violet, Coast Violet, Britton's Violet
Viola pensylvanica — Smooth Yellow Forest Violet, Smooth Yellow Violet
Viola pensylvanica var. leiocarpa — Smooth Yellow Forest Violet, Smooth Yellow Violet
Viola pensylvanica var. pensylvanica — Smooth Yellow Forest Violet, Smooth Yellow Violet
Viola priceana — Dooryard Violet, Confederate Violet, Common Blue Violet
Viola primulifolia var. primulifolia — Primrose-leaf Violet
Viola pubescens var. eriocarpa — Smooth Yellow Forest Violet, Smooth Yellow Violet
Viola septemloba ssp. egglestonii — Eggleston's Violet, Nashville Violet, Cedar Glade Violet
Viola septemloba ssp. septemloba — Southern Coastal Violet, Cleft-leaved Violet
Viola sororia var. missouriensis — LeConte's Violet, Sand Violet, Thinleaf Violet, Missouri Violet
Viola subsinuata — Wavyleaf Violet
Viola subsinuata — Monacan Violet, Blue Ridge Violet
Viola subsinuata — Northern Three-lobed Violet
Viola tricolor var. tricolor — Johnny Jump-up, Pansy
Viola triloba — Wood Violet, Southern Three-lobed Violet
Viola walteri var. appalachiensis — Appalachian Violet, Henry's Violet
Viola walteri var. walteri — Walter's Violet, Prostrate Blue Violet
Viorna beadlei — Beadle's Leatherflower
Viorna crispa — Southern Leatherflower, Marsh Clematis, Swamp Leatherflower, Blue Jasmine
Viorna fremontii — Fremont's Leatherflower
Viorna glaucophylla — White-leaved Leatherflower
Viorna ochroleuca — Curlyheads
Viorna reticulata — Vase-vine, Netleaf Leatherflower
Viorna versicolor — Pale Leatherflower
Viorna viorna — Northern Leatherflower, Vase-vine
Virgulus concolor — Eastern Silvery Aster
Virgulus georgianus — Georgia Aster
Virgulus grandiflorus — Big-headed Aster, Rough Aster, Large-headed Aster, Largeflower Aster
Virgulus novae-angliae — New England Aster, Michaelmas-daisy
Virgulus oblongifolius — Eastern Aromatic Aster, Shale-barren Aster
Virgulus patens var. patens — Late Purple Aster, Common Clasping Aster, Late Blue Aster, Skydrop Aster
Virgulus patens var. phlogifolius — Appalachian Clasping Aster, Thinleaf Late Purple Aster
Virgulus sericeus — Western Silvery Aster
Virgulus walteri — Walter's Aster
Vitex agnus-castus var. caerulea — Chaste-tree
Vitex trifolia — Beach Vitex, Roundleaf Chaste-tree
Vitis aestivalis — Summer Grape
Vitis aestivalis — Silverleaf Grape
Vitis bicolor — Silverleaf Grape
Vitis cordifolia — Frost Grape, Winter Grape, Chicken Grape
Vitis labrusca × vinifera — Concord Grape
Vitis labruscana — Concord Grape
Vitis munsoniana — Munson Grape, Bullace Grape
Waldsteinia fragarioides var. fragarioides — Northern Barren Strawberry
Waldsteinia fragarioides var. parviflora — Southern Barren Stawberry
Waldsteinia parviflora — Southern Barren Stawberry
Wallia cinerea — Butternut, White Walnut
Wallia nigra — Black Walnut
Waltheria americana — Sleepy Morning
Wedelia trilobata — Wedelia, Creeping Oxeye
Wisteria macrostachya — Mississippi Wisteria, American Wisteria, Swamp Wisteria, Kentucky Wisteria
Woodsia scopulina ssp. appalachiana — Appalachian Woodsia, Appalachian Cliff Fern, Mountain Woodsia
Woodsia scopulina var. appalachiana — Appalachian Woodsia, Appalachian Cliff Fern, Mountain Woodsia
Xanthium globosum — Common Cocklebur
Xanthium inflexum — Common Cocklebur
Xanthium pensylvanicum — Oriental Cocklebur
Xanthium strumarium var. canadense — Oriental Cocklebur
Xanthorrhiza simplicissima — Yellowroot
Xanthosma sagittifolium — Arrowleaf Elephant-ear, Malanga
Xanthoxalis brittoniae — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel
Xanthoxalis bushii — Common Yellow Wood-sorrel
Xanthoxalis colorea — Small's wood-sorrel, Tufted Yellow Wood-sorrel, (NOT Sadie Price’s Yellow Wood-sorrel)
Xanthoxalis corniculata — Creeping Lady's-sorrel
Xanthoxalis cymosa — Common Yellow Wood-sorrel
Xanthoxalis filipes — Southern Yellow Wood-sorrel, Slender Yellow Wood-sorrel
Xanthoxalis filipes — Flowering Yellow Wood-sorrel
Xanthoxalis grandis — Large Wood-sorrel, Great Yellow Wood-sorrel
Xanthoxalis hirsuticaulis — Sadie Price’s Yellow Wood-sorrel
Xanthoxalis langloisii — Creeping Lady's-sorrel
Xanthoxalis macrantha — Sadie Price’s Yellow Wood-sorrel
Xanthoxalis priceae — Sadie Price’s Yellow Wood-sorrel
Xanthoxalis recurva — Flowering Yellow Wood-sorrel
Xanthoxalis rufa — Common Yellow Wood-sorrel
Xanthoxalis stricta — Common Yellow Wood-sorrel
Xanthoxylum americanum — Northern Toothache Tree, Northern Prickly-ash
Xanthoxylum clava-herculis — Southern Toothache Tree, Hercules-club, Sea-ash, Southern Prickly-ash
Xeniatrum umbellulatum — Speckled Wood-lily, White Clintonia
Ximenia americana var. americana — Tallow-wood, Hog-plum
Xolisma ferruginea — Rusty Lyonia, Staggerbush, Dragonwood, Crookedwood
Xolisma fruticosa — Staggerbush, Poor-grub
Xylosteon ciliatum — American Fly-honeysuckle
Xylosteon fragrantissimum — Sweet-breath-of-spring, Winter Honeysuckle
Xyris communis — Richard's Yellow-eyed-grass
Xyris congdonii — Small's Yellow-eyed-grass
Xyris difformis var. floridana — Florida Yellow-eyed-grass
Xyris elata — Richard's Yellow-eyed-grass
Xyris flexuosa — Pineland Yellow-eyed-grass, Carolina yellow-eyed-grass
Xyris neglecta — Curtiss's yellow-eyed-grass
Xyris pallescens — Pineland Yellow-eyed-grass, Carolina yellow-eyed-grass
Xyris stricta var. stricta — Pineland Yellow-eyed-grass, Strict Yellow-eyed-grass
Yucca concava — Beargrass, Spoonleaf Yucca, Curlyleaf Yucca
Yucca gloriosa var. gloriosa — Mound-lily Yucca, Spanish Bayonet
Yucca gloriosa var. recurvifolia — Curve-leaf Yucca
Yucca smalliana — Weakleaf Yucca
Yucca smalliana — Beargrass, Spoonleaf Yucca, Curlyleaf Yucca
Zamia floridana var. umbrosa — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie
Zamia integrifolia — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie
Zamia pumila — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie
Zamia umbrosa — East Coast Coontie, Broad-leaflet Coontie, Palatka Giant Coontie
Zenobia cassinefolia — Zenobia, Honeycups
Zephyranthes atamasca var. atamasca — Common Atamasco-lily, Rain-lily, Easter Lily, Naked Lily
Zephyranthes atamasca var. treatiae — Rain-lily, Treat's Zephyr-lily
Zigadenus elegans — White Death-camas, White Camass, Mountain Death-camas
Zigadenus muscitoxicus — Fly-poison
Zizania miliacea — Southern Wild-rice, Water-millet, Giant Cutgrass
Zizia bebbii — Mountain Golden-Alexanders
Zizia cordata — Heartleaf Golden-Alexanders, Heartleaf Alexanders
Zizia latifolia — Mountain Golden-Alexanders
Zizyphus zizyphus — Chinese Jujube, Common Jujube, Chinese Date
Zosterella dubia — Water Stargrass
Zygadenus densus — Crow-poison, Savanna Camass, Osceola-plume
Zygadenus glaberrimus — Large Death Camas, Snakeroot, Sandbog Death-camas, Bog Death Camas
Zygadenus glaucus — White Death-camas, White Camass, Mountain Death-camas
Zygadenus leimanthoides — Pinebarrens Death-camas
Type only the first 2-3 letters to choose from a dropdown list of genera (this can be especially helpful when you're not sure of the spelling).
If "wooly" doesn't deliver the results you want, try an alternate spelling such as "woolly" or just "wool".