]> GH barcode-01746067 United States of America New York mouth of French Creek, Clayton Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2020-08-26 08:19:23 M. L. Fernald, K. M. Wiegand & A. J. Eames