]> GH barcode-01883920 United States of America Maryland 1/4 mile below Conowingo dam; 1 1/4 miles west of Rowlandsville. Aplectrum hyemale (Muhlenberg ex Willdenow) Torrey (Muhlenberg ex Willdenow) Torrey 2019-11-07 17:23:50 R. R. Tatnall