]> GH barcode-01695475 United States of America Michigan Ocqueoc Lake, ca. 14 mi NW of Rogers City, Secs. 19 & 30, T36N, R3E Potamogeton praelongus Wulfen Wulfen 2021-02-16 06:22:28 C. B. Hellquist & R. R. Haynes