]> GH barcode-01688159 United States of America Michigan small bay at N.E. portion of Black Lake 7 miles north of Tower, Sect. 28, T36N, R1E Potamogeton haynesii Hellquist & Crow Hellquist & Crow 2021-02-11 16:36:19 C. B. Hellquist & R. R. Haynes