Cactaceae

Coryphantha sulcata (Engelm.) Britton & Rose

Coryphantha sulcata is a clump-forming cactus found in parts of Texas and northeastern Mexico.

Cylindropuntia acanthocarpa (Engelm. & J.M.Bigelow) F.M.Knuth

Buckhorn cholla (Cylindropuntia acanthocarpa) is a common cholla native to three North American deserts.

Cylindropuntia bernardina (Engelm. ex Parish) M.A.Baker, Cloud-H. & Rebman

Cylindropuntia bernardina is an erect cactus native to southern California and northwestern Baja California, growing in multiple scrub and woodland habitats.

Cylindropuntia californica (Torr. & A.Gray) F.M.Knuth

Cylindropuntia californica is a short sprawling cholla cactus found in Baja California and southern San Diego County, with three recognized varieties.

Cylindropuntia echinocarpa (Engelm. & J.M.Bigelow) F.M.Knuth

Cylindropuntia echinocarpa, or silver cholla, is a shrubby to tree-like cactus native to deserts of the southwestern US and northwestern Mexico.

Cylindropuntia fulgida (Engelm.) F.M.Knuth

Cylindropuntia fulgida, commonly called jumping cholla, is an arborescent desert cactus native to the Southwestern US and northwestern Mexico.

Cylindropuntia ganderi (C.B.Wolf) Rebman

Cylindropuntia ganderi is a cholla native to parts of Baja California and southern California that intergrades with Cylindropuntia californica.

Cylindropuntia imbricata (Haw.) F.M.Knuth

Cylindropuntia imbricata is a branched spiny cholla cactus native to North American arid regions, invasive in Australia, with multiple human uses.

Cylindropuntia leptocaulis (DC.) F.M.Knuth

Cylindropuntia leptocaulis is a shrubby cactus native to the southwestern US and northern Mexico, with narcotic fruits used by Indigenous groups.

Cylindropuntia molesta (Brandegee) F.M.Knuth

Cylindropuntia molesta is an endemic Baja California cactus that grows 2–8 ft tall and 2–5 ft wide.

Cylindropuntia prolifera (Engelm.) F.M.Knuth

Cylindropuntia prolifera is a treelike cactus native to southwestern North America, invasive in parts of Australia.

Cylindropuntia ramosissima (Engelm.) F.M.Knuth

Cylindropuntia ramosissima is a treelike segmented cactus native to desert regions of southwestern North America that hosts several moth species.

Cylindropuntia tunicata (Lehm.) F.M.Knuth

Cylindropuntia tunicata is a flowering cactus species native to North and South America, commonly called sheathed cholla.

Cylindropuntia whipplei (Peebles) M.A.Baker

Cylindropuntia whipplei, common name Whipple cholla, is a cactus species in the family Cactaceae.

Cylindropuntia wolfii (L.D.Benson) M.A.Baker

Cylindropuntia wolfii is an erect branching cactus native to dry rocky habitats of the Sonoran Desert region.

Disocactus speciosus (Cav.) Barthlott

Disocactus speciosus, the sun cactus, is a Cactaceae flowering plant native to Central America that holds a Royal Horticultural Society garden award.

Echinocactus horizonthalonius Lem.

Echinocactus horizonthalonius is a barrel cactus with two varieties, one of which is endangered in the US.

Echinocactus platyacanthus Link & Otto

Echinocactus platyacanthus is a slow-growing long-lived large barrel cactus native to Mexico with distinct physical features.

Echinocactus polycephalus Engelm. & J.M.Bigelow

Echinocactus polycephalus, the cotton top or many-headed barrel cactus, is a clustering arid-region North American cactus rarely cultivated.

Echinocactus texensis Hopffer

The Texas star cactus is a solitary ribbed cactus native to the Chihuahuan Desert of North America.

Echinocereus acifer (Otto ex Salm-Dyck) Haage

Echinocereus acifer is a cushion-forming cactus native to several rocky forested regions of north-central Mexico.

Echinocereus bakeri W.Blum, Oldach & J.Oldach

Echinocereus bakeri is a branching clump-forming cactus with red dioecious flowers and edible fruits native to the southwestern United States.

Echinocereus bonkerae Thornber & Bonker

Echinocereus bonkerae is a spiny cactus native to Arizona (US) and Sonora (Mexico) that grows in multiple arid habitat types.

Echinocereus brandegeei (J.M.Coult.) Schelle

Echinocereus brandegeei is a clump-forming cactus native to Baja California and adjacent Gulf of California islands.

Coryphantha sulcata (Engelm.) Britton & Rose

Cylindropuntia acanthocarpa (Engelm. & J.M.Bigelow) F.M.Knuth

Cylindropuntia bernardina (Engelm. ex Parish) M.A.Baker, Cloud-H. & Rebman

Cylindropuntia californica (Torr. & A.Gray) F.M.Knuth

Cylindropuntia echinocarpa (Engelm. & J.M.Bigelow) F.M.Knuth