]> GH barcode-01695329 United States of America New York shore of Binnen Kill under the Castleton-on-Hudson bridge along New England section of the N. Y. Thruway. freshwater tidal portion of the Hudson River, tip of Shad Island, Corymans Potamogeton perfoliatus Linnaeus Linnaeus 2020-08-26 05:37:40 C. B. Hellquist & H. G. Brotzman