]> GH barcode-00932421 United States of America California lower Amargosa Desert, California Highway 127, 6.7 miles south of Death Valley Junction. T.20 S., R.5 E., Sec. 11 Boechera glaucovalvula (M. E. Jones) Al-Shehbaz (M. E. Jones) Al-Shehbaz 2020-07-27 14:20:19 N. H. Holmgren & P. K. Holmgren