Brittlebush and cactus near Ez-Kim-In-Zin, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32861.html Brittlebush and prickly pear cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32818.html Royal lupine and prickly pear cactus. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32799.html Brittlebush, cactus, and hills, Valley View overlook, morning. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32825.html Sonoran desert in bloom, Tucson Mountain District. Saguaro National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.sagu32811.html Close-up of Mexican Poppies (Eschscholzia californica subsp. mexicana) and Cactus. Organ Pipe Cactus National Monument, Arizona, USA http://www.terragalleria.com/america/arizona/organ-pipe-cactus/picture.usaz33469.html Pink wildflowers and prickly pear cactus. 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