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| Saguaro cactus at Casa Grande Ruins National Monument. Casa Grande, AZ. | Woodpecker holes in saguaro cactus at Casa Grande Ruins National Monument. Casa Grande, AZ. | Cactus in Walnut Canyon National Monument. AZ. | Yucca in Walnut Canyon National Monument. AZ. |
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| Cactus near Tucson. AZ. | Saguaro cactus in landscape of Saguaro National Park. AZ. | Saguaro cactus in landscape of Saguaro National Park. AZ. | Saguaro cactus at Desert Botanical Garden. Phoenix, AZ. |
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| Cactus & rock formations of Desert Botanical Garden. Phoenix, AZ. | Saguaro cactus cross section at Desert Botanical Garden. Phoenix, AZ. | Saguaro cactus cross section at Desert Botanical Garden. Phoenix, AZ. | Gila woodpecker (Centurus uropygialis) at Desert Botanical Garden. Phoenix, AZ. |
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| Dove on nest at Desert Botanical Garden. Phoenix, AZ. | Compass barrel cactus (Ferocactus cylindraceus) in Desert Botanical Garden. Phoenix, AZ. | Golden barrel cactus (Echinocactus grusonii) in Desert Botanical Garden. Phoenix, AZ. | Coryphantha pycnacantha cactus in Desert Botanical Garden. Phoenix, AZ. |
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| Octopus Cactus (Stenocereus alamosensis) in Desert Botanical Garden. Phoenix, AZ. | South American cactus in bloom in Desert Botanical Garden. Phoenix, AZ. | Variety of small cacti at Desert Botanical Garden. Phoenix, AZ. | Cactus with unusual growth patterns in Desert Botanical Garden. Phoenix, AZ. |
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| Living stone plants from South Africa in Desert Botanical Garden. Phoenix, AZ. | Living stone plants from South Africa in Desert Botanical Garden. Phoenix, AZ. | Sonita (Pachycereus Schottii) in Desert Botanical Garden. Phoenix, AZ. | Teddy Bear Cholla (Opuntia bigelovii) at Desert Botanical Garden. Phoenix, AZ. |
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| Heart-shaped cactus at Desert Botanical Garden. Phoenix, AZ. | Unusual rectangular cactus top at Desert Botanical Garden. Phoenix, AZ. | Succulents at Desert Botanical Garden. Phoenix, AZ. | Multi-colored cacti at Arizona State University. Tempe, AZ. |
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| Cactus garden of Phoenician Inn. Scottsdale, AZ. | Cactus with red flowers in Paradise Valley. Phoenix, AZ. | Barrel cactus. Phoenix, AZ. | Cactus & window in Barrio Historico. Tucson, AZ. |
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| Cactus with yellow fruit at San Xavier del Bac Mission Church. Tucson, AZ. | Woodpecker nesting in cactus. Tucson, AZ. |
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