Senegalia greggii, formerly known as Acacia greggii, is a species of tree in the genus Senegalia native to the southwestern United States and northern Mexico, from the extreme south of Utah south through southern Nevada, southeast California, Arizona, New Mexico and western Texas to Baja California, Sinaloa and Nuevo León in Mexico. The population in Utah at 37°10' N is the northernmost naturally occurring Senegalia species anywhere in the world.
Opuntia engelmannii is a prickly pear common across the south-central and Southwestern United States and northern Mexico. It goes by a variety of common names, including desert prickly pear, discus prickly pear, Engelmann's prickly pear in the US, and nopal, abrojo, joconostle, and vela de coyote in Mexico.
Echinocereus triglochidiatus is a species of hedgehog cactus known by several common names, including kingcup cactus, claret cup cactus, red-flowered hedgehog cactus and Mojave mound cactus. This cactus is native to the southwestern United States and northern Mexico, where it is a resident of varied habitats from low desert to rocky slopes, scrub, and mountain woodland. E. triglochidiatus is the official state cactus of Colorado.
Pelecyphora vivipara is a species of cactus known by several common names, including spinystar, viviparous foxtail cactus, pincushion cactus and ball cactus. It is native to North America, where certain varieties can be found from Mexico to Canada. Most of these varieties are limited to the Mojave and Sonoran Deserts. The species epithet "vivipara" is due to the species' viviparous reproductive habit.
The saguaro is a tree-like cactus species in the monotypic genus Carnegiea that can grow to be over 12 meters tall. It is native to the Sonoran Desert in Arizona, the Mexican state of Sonora, and the Whipple Mountains and Imperial County areas of California. The saguaro blossom is the state wildflower of Arizona. Its scientific name is given in honor of Andrew Carnegie. In 1933, Saguaro National Park, near Tucson, Arizona, was designated to help protect this species and its habitat.
Pelecyphora sneedii is a rare species of cactus known by the common names Sneed's pincushion cactus and carpet foxtail cactus. It is endemic to the Chihuahuan Desert of the southwestern United States and northwestern Mexico. It is a small, variable cactus with a lengthy taxonomic history, and is often subdivided into a number of subspecies or varieties. It is usually found on steep, rocky habitats, primarily of limestone geology, in desert scrub or coniferous forest. A species of conservation concern, P. sneedii faces threats from poaching, urban encroachment, and wildfires.
Echinocereus fendleri is a species of cactus known by the common names pinkflower hedgehog cactus and Fendler's hedgehog cactus. It is named in honor of Augustus Fendler.
Echinocereus viridiflorus is a species of cactus known by the common names nylon hedgehog cactus, green pitaya, and small-flowered hedgehog cactus. It is native to the central and south-central United States and northern Mexico, where it can be found in varied habitat types, including desert scrub, woodlands, dry grasslands, and short-grass prairie.
Ferocactus fordii is a species of succulent plant in the family Cactaceae, commonly known as Ford's barrel cactus, endemic to the Baja California Peninsula of Mexico. It is spherical, growing to 50 cm (20 in) in diameter, with whitish-grey radial spines and solitary flowers of a deep rose pink, 4 cm (2 in) in diameter.
Cochemiea barbata is a small cactus native to Chihuahua, Sonora, and Durango, with the common name greenflower nipple cactus.
Echinocereus arizonicus is a species of cactus native to the Chihuahuan Desert region of Chihuahua, southwestern New Mexico and southeastern Arizona, as well as in the Superstition and Mescal Mountains of Central Arizona at elevations between 1400 and 1900 meters.
Cochemiea conoidea, common name Texas cone cactus or Chihuahuan beehive, is a species of cactus native to southern United States to central Mexico.
Echinocereus coccineus is a species of hedgehog cactus. Its native to Northern and Central America. It grows on full sun, in sandy or rocky well-drained soil. It can survive in hardiness zones 8–11.
Thelocactus hexaedrophorus is a species of cactus. It is endemic to Mexico.
Pelecyphora macromeris, the nipple beehive cactus, is a species of cactus in the United States and Mexico. In the Chihuhuan Desert, it is common and has a wide range.
Pelecyphora alversonii commonly known as cushion foxtail cactus or cushion fox-tail cactus, is a species of flowering plant in the family Cactaceae, native to the southwestern United States.
Pelecyphora robbinsiorum known by the common names Cochise pincushion cactus and Cochise foxtail cactus is a species of flowering plant in the family Cactaceae.
Echinocereus mapimiensis is a species of cactus native to Mexico.
Echinocereus nicholii is a species of cactus native to Mexico.
Echinocereus pseudopectinatus is a species of cactus native to Mexico and the United States.
