]> GH barcode-01929706 United States of America Kentucky East bank of the Ohio River, boat launch ramp and parking area, Blackburn. 0.6 mi north of the Rt. 13/56 bridge. Amaranthus tuberculatus (Moquin-Tandon) Sauer (Moquin-Tandon) Sauer 2020-07-28 10:19:40 S. R. Hill