]> GH barcode-01688098 United States of America Michigan intersection of M-117 and US Rte 2, ca. 1 mi S of Engadine, Secs. 20 & 21, T43N, R10W Potamogeton hillii Morong Morong 2021-02-11 13:10:10 C. B. Hellquist & R. R. Haynes