]> GH barcode-01645376 United States of America Arizona Road cut between Ruby and the Tucson-Nogales Highway. Oenothera caespitosa subsp. marginata (Nuttall ex Hooker & Arnott) Munz (Nuttall ex Hooker & Arnott) Munz 2020-05-19 14:39:02 A. Nelson & R. A. Nelson