| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cactaceae | Acanthocereus | Triangle Cactus, Barbed-wire Cactus, Dildo-cactus |  | ||
| Cactaceae | Ancistrocactus | ||||
| Cactaceae | Astrophytum | Star Cactus | |||
| Cactaceae | Cereus | ||||
| Cactaceae | Consolea | Semaphore Cactus |  | ||
| Cactaceae | Corynopuntia | Club-cholla | |||
| Cactaceae | Coryphantha | Pincushion Cactus |  | ||
| Cactaceae | Cylindropuntia | Cholla |  | ||
| Cactaceae | Echinocereus | Hedgehog Cactus |  | ||
| Cactaceae | Epiphyllum | Climbing Cactus | |||
| Cactaceae | Ferocactus | Barrel Cactus, Biznaga |  | ||
| Cactaceae | Grusonia | Club-Cholla |  | ||
| Cactaceae | Hamatocactus | Twisted-rib Cactus | |||
| Cactaceae | Harrisia | Apple-cactus |  | ||
| Cactaceae | Homalocephala |  | |||
| Cactaceae | Lophophora | Peyote |  | ||
| Cactaceae | Mammillaria | Pinchushion Cactus, Globe Cactus, Chilita |  | ||
| Cactaceae | Opuntia | Prickly-pear Cactus |  | ||
| Cactaceae | Pelecyphora |  | |||
| Cactaceae | Pereskia | Pereskia | |||
| Cactaceae | Pilosocereus | Tree Cactus |  | ||
| Cactaceae | Rhipsalis | Mistletoe Cactus, Pencil Cactus | |||
| Cactaceae | Selenicereus | Moonlight Cactus |  |
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