]> GH barcode-01691936 United States of America Michigan stream on E side of Black River ca. 1 mi S of jct. with Cheboygan River, Sec. 16, T37N, R1W, Inverness Twp. Rorippa aquatica (Eaton) Palmer & Steyerm. (Eaton) Palmer & Steyerm. 2021-02-24 12:19:33 C. B. Hellquist & C. E. Hellquist