Sonoran Desert - AZ Uplands

  • Sonoran Desert - Arizona Uplands Subdivision

The Arizona Uplands subdivision of the Sonoran Desert is defined by having full sized trees in the uplands, as well as high diversity in structure and species. It is well vegetated and sees more...

Type of Content: Vegetation Communities

A floristic account is provided for the cactus family as part of the vascular plant flora of the contiguous protected areas of Organ Pipe Cactus National Monument, Cabeza Prieta National Wildlife...

Type of Content: Reports, Papers, Journal Articles
Condalia globosa
Type of Content: Image Content
Echinocactus horizonthalonius var. nicholii

Photo of a Nichol Turk's Head Cactus in the Waterman Mountains in Arizona.

Type of Content: Image Content
Atamisquea emarginata with flower
Type of Content: Image Content
Tilling the Sonoran Desert for cattle

Some ranchers get convinced tilling of the desert soils will result in more forage for their cows. Needless to say in a desert environment this does not work. It may promote some extra grass for 1...

Type of Content: Image Content
Crested Saguaro

This deformity effects many cactus and is fairly rare.

Type of Content: Image Content
Cow with cholla on its face

Cows in the dry Sonoran Desert often must resort to eating cactus, including the famously painful jumping cholla. Seeing cattle in Sonora with cholla balls on their face or prickly pear spines...

Type of Content: Image Content
Western screech-owl peeking out of saguaro cavity
Type of Content: Image Content
Western screech-owl perched in ironwood
Type of Content: Image Content
Koeberlinia spinosa flowers
Type of Content: Image Content

An introduction is provided for the modern and fossil vascular plant flora of the contiguous protected areas of Organ Pipe Cactus National Monument, Cabeza Prieta National Wildlife Refuge, and the...

Type of Content: Reports, Papers, Journal Articles
Larrea tridentata fruit and leaf close-up
Type of Content: Image Content

The Center for Biological Diversity and Defenders of Wildlife hereby formally petition the U.S. Fish and Wildlife Service (also “Service”) to list one of the following entities of cactus...

Type of Content: Reports, Papers, Journal Articles
Hanging saguaro arm with flowers and buds
Type of Content: Image Content
Buffelgrass taking over hill in Sonoran Desert
Type of Content: Image Content
Saguaros and nurse tree

A mesquite nurse tree over-run by saguaros near Tubutama, Sonora.

Type of Content: Image Content
Holbrookia elegans, elegant earless lizard
Type of Content: Image Content
Urosaurus ornatus, ornate tree lizard

ornate tree lizard

Type of Content: Image Content
Crotaphytus collaris, eastern collared lizard

eastern collared lizard, female

Type of Content: Image Content

This canyon and surrounding country are an incredible mix of chaparral, Sonoran Desert, and madrean influenced vegetation enhanced by stunning rock formations and rare perennial creeks.

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Type of Content: Gallery
Leaf cutter ants carrying Acacia greggii
Type of Content: Image Content

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