]> GH barcode-01746120 United States of America Virginia margin of Chappell's Millpond (Honey Pond), west of Lumberton Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2021-03-22 15:40:38 M. L. Fernald & B. H. Long