]> GH barcode-01695473 United States of America Michigan E end of Hardwood Lake ca. 12.0 mi E-SE of West Branch, NW 1/4, Sec. 6, T21N, R4E Potamogeton praelongus Wulfen Wulfen 2021-02-16 06:20:17 C. B. Hellquist & R. R. Haynes