]> GH barcode-01564711 United States of America Michigan mouth of the Taquamenon River at Whitefish Bay Potamogeton epihydrus var. nuttallii (Chamisso & Schlechtendal) Fernald (Chamisso & Schlechtendal) Fernald 2021-02-11 11:30:12 F. K. Sparrow