]> GH barcode-01736083 United States of America Utah at mouth of Arch Canyon, where it joins Comb Wash, 18 miles southwest of Blanding. Twp. 37 S., R. 20 E., S. 25 Streptanthella longirostris (S. Watson) Rydberg (S. Watson) Rydberg 2020-05-29 09:53:19 A. J. Cronquist