Checklist of Vascular Plants of Organ Pipe Cactus National Monument, Arizona
Wilson CC. 1985. Checklist of Vascular Plants of Organ Pipe Cactus National Monument, Arizona. Southwest Parks and Monuments Association. Tucson, AZ
This checklist is intended for use with the aid of field guides and other plant books by all persons interested in the flora of this area. The checklist includes 522 taxa of plants in 325 genera and 87 families.Eighty-three species were included that had not been reported before. The notation of an asterisk (*) indicates that a specimen is present in the Monument herbarium.