]> GH barcode-01688149 United States of America Michigan small bay at NE portion of Black Lake 7 mi N of Tower, Sect. 28, T36N, R1E Potamogeton haynesii Hellquist & G. E. Crow Hellquist & G. E. Crow 2021-02-11 11:11:15 C. B. Hellquist & R. R. Haynes