Saguaro National Park, AZ/Tangled Fishhook cactus (Mammillaria micrcrocarpa) in full flower after summer rains. 897V6

Saguaro National Park, AZ/ Flowering Hedgehog cactus (Echinocereus faciculatus). 498

Saguaro National Park, AZ/ Tucson Mountains Unit. Saguaro cacti (Carnegiea gigantea) with sunset light on the cactus spines. 998V13