]> GH barcode-01715154 United States of America Virginia just S. of Thorofare [Thoroughfare] Gap and to the left of New Baltimore Highway Pond Mt.; Western slope of Bull Run Mountains Petrorhagia prolifera (L.) P.W. Ball & Heywood (L.) P.W. Ball & Heywood 2021-02-09 14:18:43 H. A. Allard