]> A barcode-01677587 United States of America Arizona 1.1 km (0.7 miles) north of the Mexico border on Arizona route 85 (road through Organ Pipe Cactus National Monument) Peniocereus greggii var. transmontanus (Engelmann) Backeberg (Engelmann) Backeberg 2019-03-07 20:02:30 D. E. Boufford