]> GH barcode-01839695 United States of America Maryland 1/4 mile below Conowingo dam, 1 1/4 miles west of Rowlandsville. Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin (Linnaeus) A. J. Eames & B. Boivin 2021-04-02 14:13:34 R. R. Tatnall