| Abbreviation | Species | Common Name |
| CARGIG | Carnegiea gigantea | saguaro |
| ECHFEN | Echinocereus fendleri | pinkflower hedgehog cactus |
| ECHTRI | Echinocereus triglochidiatus | kingcup hedgehog cactus |
| FERWIS | Ferocactus wislizenii | barrel cactus |
| OPUFRA | Opuntia fragilis | brittle prickly-pear |
| OPUHUM | Opuntia humifusa | eastern prickly-pear |
| OPUPOL | Opuntia polyacantha | plains prickly-pear |
| PEDKNO | Pediocactus knowltonii | Knowlton's miniature cactus |
| PEDPAP | Pediocactus papyracanthus | grama-grass cactus |