Opuntiads of the USA

Opuntia species from Alamogordo, NM, March, 2004. From top to bottom right (probably): Opuntia orbiculata, Opuntia confusa, and Opuntia dulcis. O. confusa is not common in New Mexico

Tephrocactus geometricus (considered by taxonomists to be a form of T. alexanderi), Las Angosturas

Close-up of Toumeya papyracantha, March, 2005, New Mexico

Two Opuntia species, Alamogordo, New Mexico, March, 2004

Opuntia ficus-indica (tall plant), Las Cruces, NM

Echinocactus johnsonii, near Dolan Springs, AZ, July 2007, ca. 4,800 ft. elevation

Echinocactus johnsonii, near Dolan Springs, AZ, July 2007

Opuntia valida, Rio Grande Botanic Garden, Albuquerque, NM

Ferocactus acanthodes near Wikieup, AZ, late June 2009

Ferocactus acanthodes, eastern slopes of Mt. Potosi, about 3,000-4,000 ft, near Las Vegas, NV

Escobaria desertii-like, eastern slope of Mt. Chaleston (near Las Vegas, NV), about 4,000 ft. elevation

Echinocereus engelmanii, alluvial fan, southern Nevada, about 4000 ft

Carnegiea gigantea growing in hills just southwest of Wikieup, AZ, June 2009, elevation ca. 2,500 ft.

Opuntia acanthocarpa near Chloride, AZ, June 2009