| Ref ID | Type | Author | Date | Title |
|
28998
| Database | George Mason University | 2015 | Ted R. Bradley Herbarium (GMUF) |
|
28990
| Database | Virginia Polytechnic Institute and State University | 2015 | Massey Herbarium (VPI) |
|
10624
| Database | Ware, D. (director). | 1998 | Herbarium specimen voucher data, Herbarium of the College of William & Mary (WILLI) |
|
28997
| Journal Article | Wieboldt, T.F., G.P. Fleming, J.C. Ludwig, and F.C. Huber. | 1998 | Noteworthy collections: Virginia |
