]> GH barcode-01879922 United States of America West Virginia along the Ohio River opposite the city of Steubenville, Ohio; 3.7 km (2.9 miles) S of the junction of U.S. route 22-E, W. Va route 2 on route 2. Conopholis americana (Linnaeus) Wallroth (Linnaeus) Wallroth 2021-02-09 10:26:34 D. E. Boufford & N. Foust