Related species: Opuntia basilaris var. brachyclada Opuntia basilaris var. basilaris Opuntia basilaris var. treleasei
Plant Communities: Creosote Bush Scrub Joshua Tree Woodland Chaparral Southern Oak Woodland Coastal Sage Scrub Pinyon-Juniper Woodland Valley Grassland
Counties: Imperial Inyo Kern Los Angeles Marin Mono Riverside Santa Barbara San Bernardino San Diego San Luis Obispo Tulare Ventura