]> GH barcode-01746057 United States of America New York Lake Massawepie Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2020-08-26 08:08:39 W. L. C. Muenscher & B. Maguire