The Douglas Campbell Show: Cactus flowers, Desert Museum, AZ (1982)
The Douglas Campbell Show: Cyrio tree ("Boojum tree"), Desert Museum, AZ (1985)
The Douglas Campbell Show: Sotol flower, Desert Museum, AZ (1982)
The Douglas Campbell Show: Dead saguaro, Desert Museum, AZ (1997)
The Douglas Campbell Show: Aloe flowers, Desert Museum, AZ (1985)
The Douglas Campbell Show: Habitat, Desert Museum, AZ (1985)
The Douglas Campbell Show: Unidentified fruit, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Unidentified flower, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Unidentified flower, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Catclaw, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Gardens, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Setting, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Chollas, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Cholla + ocotillo, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Jumping cholla, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Habitat, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Mahonia, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Fishhook barrel cactus (post-flowering), Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Fishhook barrel cacti (with fruit), Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Fishhook barrel cactus, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Fishhook barrel cactus, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Fruit of fishhook barrel cactus (close-up), Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Fishhook barrel cactus with fruit, Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Fishhook barrel cactus spines (close-up), Sonoran Desert Museum, AZ (1997)
The Douglas Campbell Show: Fish hook cactus close-up, Desert Museum, AZ (1997)
The Douglas Campbell Show: Habitat, Sonoran Desert Museum, AZ (1997)