]> GH barcode-00001580 Mexico Durango Hidalgo del Parral to El Vergel, 47 miles west of Parral and 11.5 miles west of Ojito, Sierra Madre Occidental; ca. 8000 ft. elev. Salvia betulifolia var. chasmema Reveal & W. J. Hess Reveal & W. J. Hess 2010-08-16 16:43:31 James L. Reveal & W. J. Hess