]> GH barcode-02122824 United States of America Utah on Salt Creek Mesa, between Boundary Butte and Cathedral Butte, on the northwest flank of the Abajo Mts., about 80 miles south of Moab. Twp. 33 S., R. 20 E., S. 3. Penstemon strictus subsp. strictiformis (Rydberg) D. D. Keck (Rydberg) D. D. Keck 2022-04-25 12:53:34 A. J. Cronquist & N. Holmgren