]> GH barcode-00061151 United States of America Nevada Steep rocky slide below igneous rock cliffs and in the crevices of igneous rocks, canyon at south end of the Black Rock Range, ca. 4,800 feet. Caulanthus barnebyi Rollins & P. K. Holmgren Rollins & P. K. Holmgren 2010-08-16 16:42:51 R. C. Rollins, K. W. Rollins, A. Tiehm & M. J. Williams