]> GH barcode-01746070 United States of America New York French Creek, Clayton Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2020-08-26 08:22:38 W. L. C. Muenscher & B. Maguire