]> GH barcode-01688152 United States of America Michigan Cheboygan River west of junction with Black River, Sect 17, T37N, R1W Potamogeton haynesii Hellquist & G. E. Crow Hellquist & G. E. Crow 2021-02-11 11:14:57 C. B. Hellquist & R. R. Haynes