]> GH barcode-01746150 United States of America Ohio Beaver Lake at Route 14, Columbiana Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2021-04-22 05:35:23 C. B. Hellquist