Jack Dykinga / Organ Pipe Cactus (Stenocereus thurberi) amongst flowering Brittlebush (Encelia farinosa) and Teddy Bear Cholla (Opuntia bigelovii), with the Ajo Mountains in the background Organ Pipe Cactus National...

Jack Dykinga / Teddy bear cholla cactus {Opuntia bigelovii}, Brittlebush {Encelia farinosa} and Red owl's clover {Orthocarpus purpurascens} flowering on Harcuvar mountains, Arizona, USA with Arrastra mountains in th...

Claudio Contreras / Brittlebush (Encelia farinosa) and Emory's rock daisy (Perytile emoryi). El Pinacate Biosphere Reserve, Sonoran Desert, northwest Mexico.

Claudio Contreras / Sonoran Desert with Teddy-bear cholla (Cylindropuntia bigelovii), Saguaro (Carnegiea gigantea) and Brittlebush (Encelia farinosa). El Colorado volcano in background. El Pinacate Biosphere Reserve, nor...

Floris van Breugel / Brittlebrush (Encelia farinosa) flowering in Anza-Borrego Desert, California, April

Richard Herrmann / Brittlebush (Encelia farinosa), Jubilee Pass, Black Mountains, Amargosa Desert, California

Steve Nicholls / Brittlebush (Encelia farinosa) flowering, Mojave desert, Joshua NP, California, USA, February

Steve Nicholls / Brittlebush (Encelia farinosa) flowering, Mojave desert, Joshua NP, California, USA, February

Tim Laman / Flowering Brittlebush (Encelia farinosa) with Cholla cactus (Opuntia sp) and other desert plants. Anza-Borrego Desert State Park, California, USA. March 2005

Tim Laman / Flowering Brittlebush (Encelia farinosa) with Cholla cactus (Opuntia sp) and other desert plants. Anza-Borrego Desert State Park, California, USA. March 2005

Tim Laman / Brittlebush (Encelia farinosa) in bloom, Anza-Borrego Desert State Park. California. Mar 2004.

Jack Dykinga / Elephant Tree (Bursera microphylla) and Brittlebush (Encelia farinosa) with the Picacho El Destiladera mountain in the background, Vizcaino Desert, Baja California Sur, Mexico, Central America