]> GH barcode-01928910 United States of America Maryland Accokeek; at margin of Potomac River, on peninsula 0.7 mi SW of Bryan Point. at Prince Georges Co. line. Amaranthus cannabinus (Linnaeus) J. D. Sauer (Linnaeus) J. D. Sauer 2020-11-13 16:14:50 S. R. Hill & M. A. Klein