Ajo Peak To Tinajas Altas: A Flora In Southwestern Arizona. Part 7. Eudicots: Cactaceae – Cactus Family

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 Refuge, and the Tinajas Altas Region in the heart of the Sonoran Desert in southwestern Arizona. The modern native cactus flora includes 35 taxa in 12 genera, plus 2 non-native prickly- pears that are not established in the flora area.

Recovery plan for the Arizona hedgehog cactus (Echinocereus triglochidiatus var. arizonicus)

The Arizona hedgehog cactus, Echinocereus triglochidiatus var. arizonicus, was officially given Endangered status by the U.S. Fish and Wildlife Service under the Endangered Species Act of 1973 on October 25, 1979 (44 FR 61556). The taxon as considered here is known from only a few locations near the boundary between Gi1a and Pina1 counties, Arizona. The range lies between the towns of Miami and Superior.


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