Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California poppies (Eschscholzia californica) carpet the hillside, with flowering Joshua Tree (Yucca brevifolia) in the forground. Antel...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California Poppies (Eschscholzia californica), with a flowering Joshua tree (Yucca brevifolia). Antelope Butte, near the Antelope Valley...

Jack Dykinga / Yellow California goldfields (Lasthenia californica) and orange California Poppies (Eschscholzia californica), with a flowering Joshua tree (Yucca brevifolia). Antelope Butte, near the Antelope Valley...

Jeff Foott / Joshua Tree (Yucca brevifolia) group in desert, Virgin Mountains, Gold Butte National Monument, Nevada

Yva Momatiuk & John Eastcott / Joshua Tree (Yucca brevifolia) group, Joshua Tree National Park, California

Inaki Relanzon,Inaki Relanzon / Joshua tree (Yucca brevifolia) at night, Joshua Tree National Park, California, USA, June 2012.

Floris van Breugel / Joshua Trees (Yucca brevifolia) in Antelope Valley against the night sky illuminated by the orange glow from Los Angeles light pollution, California, USA. September 2009.

Jack Dykinga / Silhouettte of Joshua tree (Yucca brevifolia) at sunset with lightning in background, Sonoran / Mojave transition zone, Joshua Forest Parkway, Arizona, USA

Jack Dykinga / Silhouette of Joshua trees (Yucca brevifolia) at sunset, Joshua Forest Parkway, Arizona, USA

Doug Wechsler / Joshua Tree (Yucca brevifolia) NM, California, USA Granite Boulders.

Jack Dykinga / Joshua trees (Yucca brevifolia) and Mojave yuccas (Yucca schidigera) are drapped by a heavy blanket of snow. California. Mojave Natural Preserve, Mojave Desert, Cima Dome Joshua tree forest in late s...

Jack Dykinga / Cima Dome Joshua tree forest in a late-season blizzard. Joshua trees (Yucca brevifolia) and Mojave yuccas (Yucca schidigera) covered in a heavy blanket of snow. Mojave Natural Preserve, Mojave Desert,...