]> GH barcode-01572060 United States of America Michigan backwater of east side of Rainy River between Co. Rte. 489 and the mouth of the river at Black Lake ca. 6 miles N of Onaway, Sec. 5, T35N, R1E Potamogeton foliosus Rafinesque Rafinesque 2021-02-11 07:24:45 C. B. Hellquist