]> GH barcode-01572849 United States of America Michigan Pickerel Channel between Pickerel Lake and Crooked Lake ca. 3.2 km southeast of Oden, S.E. 1/4, Sect. 21, SW 1/4, Sect. 22, T35N, T4W Potamogeton gramineus Linnaeus Linnaeus 2021-02-11 13:40:38 C. B. Hellquist & R. R. Haynes