]> GH barcode-00063490 United States of America Virginia Southeast-facing cliff along the Powell River about 2 river miles below Snodgrass Ford, about 10 miles southwest of Jonesville, 1300 feet Trifolium calcaricum J. L. Collins & Wieboldt J. L. Collins & Wieboldt 2010-08-16 16:41:59 T. F. Wieboldt, J. L. Collins, D. Allard & A. Wieboldt