]> GH barcode-00309972 United States of America Colorado Steep bank among sagebrush, 1.3 mi. N of turnoff to Black Canyon National Monument, off U.S. Hwy. 50 Boechera pallidifolia (Rollins) W. A. Weber (Rollins) W. A. Weber 2010-09-23 13:52:18 R. C. Rollins & K. W. Rollins