]> GH barcode-02363414 United States of America Oklahoma pond on west side of scenic Rte. 77 at junction with road to Park Headquarters, Lake Murray Staet Park, Sec. 8, R2E, T5S Persicaria hydropiperoides (Michaux) Small (Michaux) Small 2021-10-07 11:45:30 C. B. Hellquist & J. Holt