Native Shrubs and Woody Vines of the Southeast: Landscaping Uses and Identification
Leonard E. Foote & Samuel B. Jones, Jr.
One of the few books that focuses on southeastern native shrubs, this is almost as much a resource for gardeners as it is a field guide. 550 species described.
Timber Press.
To select from a dropdown list of genera, type only the first 2-3 letters.
If "briar" doesn't deliver the results you want, try an alternate spelling such as "brier", etc.