]> GH barcode-01691921 United States of America Michigan Black River between the Cheboygan River and Alverno, 2 mi NW of Alverno, Sec. 16, T37N, R1W Rorippa aquatica (Eaton) Palmer & Steyerm. (Eaton) Palmer & Steyerm. 2021-02-24 12:05:15 C. B. Hellquist & R. R. Haynes