]> GH barcode-00993455 United States of America Utah between Capitol Wash and Pleasant Creek, in desert 32 miles southwest of Hanksville. Twp. 30 S., R. 7 E., S. 2 Asclepias involucrata Engelmann ex Torrey Engelmann ex Torrey 2020-02-04 14:55:51 A. Cronquist