]> GH barcode-01788865 United States of America Arkansas Southern Springfield Plateau: (T. 19 N., R. 30 W., Sect. 2, SW 1/4 of NW 1/4) about 1 mile NW of Rogers. Ceanothus americanus Linnaeus Linnaeus 2021-03-05 14:56:25 H. H. Iltis & G. Iltis