]> A barcode-01687596 United States of America Texas Steep Limestone slopes, main canyon on west side of Santiago Mts., Brewster Co., about 8 miles S.E. of Santiago Peak (USGS, Santiago Peak Quad.) Physaria mcvaughiana (Rollins) O'Kane & Al-Shehbaz (Rollins) O'Kane & Al-Shehbaz 2020-04-06 14:20:14 R. McVaugh