]> GH barcode-01746152 United States of America North Carolina near NC. 101, 2 miles sw. of Blades Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2020-11-30 11:26:59 A. E. Radford