]> GH barcode-01734122 United States of America Pennsylvania in Susquehanna River, 1 mi. n. of Mehoopany Stuckenia pectinata (Linnaeus) Börner (Linnaeus) Börner 2020-12-03 05:12:09 H. A. Wahl W. M. Craighead, R. C. Scherer & C. R. Watts