]> GH barcode-01746002 United States of America Michigan Hog Island Creek ca. 9.7 km W of Epoufette, Sect.34, T43N, R8W Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2021-02-16 11:46:43 C. B. Hellquist & R. R. Haynes