]> GH barcode-01692682 United States of America Pennsylvania fork of Wolf St. & Delaware River. Piers 82 & 84. Phila. Rorippa palustris subsp. fernaldiana (Butters & Abbe) Jonsell (Butters & Abbe) Jonsell 2020-11-25 14:11:55 H. B. Meredith