Jack Dykinga / Brittlebush growing from granite rocks in Diamond Creek, West-Hualapai Indian Reserve, Grand Canyon, Arizona, USA

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...

John Chan / California brittlebush (Encelia californica) in flower, Southern California, USA, April.

John Chan / Honey bee (Apis mellifera) gathering pollen from a California brittlebrush (Encelia californica), Bolsa Chica Ecological Reserve, California, USA, March.

John Chan / Honey bee (Apis mellifera) gathering pollen from a California brittlebrush (Encelia californica), Bolsa Chica Ecological Reserve, California, USA, March.

Tim Fitzharris / Saguaro (Carnegiea gigantea) cacti and Brittlebush (Encelia californica) flowers in spring, White Tank Mountains, Arizona

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