]> GH barcode-01856628 United States of America Arizona 4. 1. miles n. e. of Valen-tine P.O., Hwy. 66. Argemone pleiacantha subsp. ambigua G. B. Ownbey G. B. Ownbey 2020-05-22 14:36:19 G. B. Ownbey & F. Ownbey