= nonnative, planted and a wildland component, commonly "escapes" cultivation
= nonnative, planted, generally not considered a wildland component or invasive
= a North American native, may naturalize outside its native range
Family: Cactaceae
    Carnegiea gigantea - saguaro cactus
    Cereus hildmannianus - Andes organ pipe
    Cylindropuntia acanthocarpa - buckhorn cholla
    Cylindropuntia arbuscula - pencil cholla
    Cylindropuntia bigelovii - Teddy bear cholla
    Cylindropuntia fulgida - chain cholla
    Cylindropuntia imbricata - tree cholla
    Cylindropuntia prolifera - coastal cholla
    Cylindropuntia spinosior - cane cholla
    Echinocereus triglochidiatus - Mojave hedgehog cactus
    Ferocactus wislizeni - barrelcactus
    Opuntia engelmannii - Engelmann's pricklypear
    Opuntia polyacantha - Plains pricklypear
    Opuntia rufida - blind pricklypear
    Pachycereus pringlei - cardón
    Pachycereus schottii - senita cactus
    Stenocereus thurberi - organpipe cactus