]> GH barcode-01564704 United States of America Michigan south shore of Lake Paradise, Carp Lake, Sect. 14, T38N, R4W Potamogeton epihydrus var. nuttallii (Chamisso & Schlechtendal) Fernald (Chamisso & Schlechtendal) Fernald 2021-02-11 11:22:38 C. B. Hellquist & R. R. Haynes