]> GH barcode-01746144 United States of America Oklahoma about .5 mi. NW of the small community of Boehler, Okla. Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2021-09-22 17:12:02 R. John Taylor