]> GH barcode-01746056 United States of America New York Upper St. Regis Lake Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2020-08-26 08:08:02 W. L. C. Muenscher & B. Maguire