]> GH barcode-00139297 United States of America Oklahoma 7.5 miles northeast of Tishomingo, OK, in Johnston Co. Center of Blue River just north of cement bridge. 730 ft. Alnus maritima subsp. oklahomensis J. A. Schrad. & W. R. Graves J. A. Schrad. & W. R. Graves 2020-03-20 16:28:51 J. A. Schrader