]> GH barcode-00449270 United States of America Michigan just north of Haymarsh Creek, Nelson Road, 3 1/2 miles north of Star City, West Branch Twp., Sec. 1, T23N, R6W Potamogeton alpinus Balbis Balbis 2021-02-10 20:17:28 C. B. Hellquist & C. E. Hellquist