]> GH barcode-02121389 United States of America Utah Aquarius Plateau, 1/2 mile south of Aquarius Guard Station, about 18 miles south of Loa. T.30 S., R.3 E., Sec.21. Penstemon pachyphyllus (A. Gray) Rydberg (A. Gray) Rydberg 2022-03-25 17:11:55 N. H. Holmgren, J. L. Reveal & C. La France