]> GH barcode-01632442 United States of America Michigan Duck Lake-Lake George of the St. Mary's River, Sugar Island, ca. 10 mi SE of Sault Ste. Marie. Sec. 26, T47N, R2E Sagittaria graminea Michaux Michaux 2021-02-28 06:25:38 C. B. Hellquist & R. R. Haynes