]> GH barcode-00449262 United States of America Michigan Marsh Creek, south side of River Road, 1/2 mile east of Rte. 131, Melrose Twp., Sec. 28-33 line, T33N, R5W Potamogeton alpinus Balbis Balbis 2021-02-10 14:24:45 C. B. Hellquist