Cactus

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Echinocactus____________

Golden Barrel Cactus (Echinocactus grusonii)

Echinocactus grusonii, popularly known as the golden barrel cactus, golden ball or mother-in-law's cushion, is a well known species of cactus, and is endemic to east-central Mexico. 

Horse crippler Cactus (Echinocactus texensis)

Echinocactus texensis (also known as the horse crippler or devil's pincushion) is a cactus endemic to the United States and Mexico. 

Lace Cactus (Echinocereus reichenbachii)

Echinocereus reichenbachii, commonly known as lace or hedgehog cactus, is a cactus species native to the Chihuahuan Desert and parts of northern Mexico and the southern United States.

Cylindropuntia________________

Walking stick cholla
Opuntia imbricata or Cylindropuntia imbricata

detail of the spines of cholla

Cylindropuntia is a genus of cacti (family Cactaceae), containing species commonly known as chollas, native to northern Mexico, the Southwest and Southcentral United States, and the West Indies.

Carnegiea___________________

Saguaro (Carnegiea gigantea)

The saguaro (Carnegiea gigantea) is a cactus species in the genus Carnegiea.  It is native to the Sonoran Desert in Arizona, the Mexican State of Sonora, and the Whipple Mountains and Imperial County areas of California. 

Opuntia _____________________

Spineless Prickly Pear Cactus (Opuntia ellisiana, Griffiths)

Opuntia, commonly called prickly pear, is a genus in the cactus family, Cactaceae. The genus is named for the Ancient Greek city of Opus, where, according to Theophrastus, an edible plant grew and could be propagated by rooting its leaves.

Unidentified cactus, in the Coastal white sage scrub, San Diego

Coastal sage scrub habitat of Southern California and Baja California, on the western edges of the Mojave and Sonoran deserts. 

Unidentified cactus, in the Coastal white sage scrub habitat, San Diego

References

Southwest

Bowers, N., Bowers, R., & Tekiela, S. (2009). Cactus of Texas: Field guide. Cambridge, Minn: Adventure Publications.

Evans, D. B. (2021). Cactuses of Big Bend National Park.

Konings, G., & Konings, A. (2009). Cacti of Texas: In their natural habitat. El Paso, TX: Cichlid Press

Loflin, B., & Loflin, S. (2009). Texas cacti. College Station: Texas A & M University Press.

Powell, A. M., & Weedin, J. F. (2004). Cacti of the Trans-Pecos & adjacent areas. Lubbock, Tex: Texas Tech University Press.

Powell, A. M., Weedin, J. F., & Powell, S. A. (2008). Cacti of Texas, a field guide: With emphasis on the Trans-Pecos species. Lubbock, Tex: Texas Tech University Press.

Weniger, D. (2014). Cacti of Texas and Neighboring States: A Field Guide. Austin: University of Texas Press.

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