Claudio Contreras / Boojum tree (Fouquieria columnaris), Sonoran Desert, Valle de los Cirios Biosphere Reserve, Baja California Peninsula, Mexico, March

Claudio Contreras / Boojum tree (Fouquieria columnaris), Valle de los Cirios Biosphere Reserve, Sonoran Desert, Baja California Peninsula, Mexico, May

Doc White / Boojum tree (Fouquieria columnaris), unique to central Baja California, Mexico

Doc White / Boojum tree (Fouquieria columnaris), unique to central Baja California, Mexico

Doc White / Boojum tree (Fouquieria columnaris), unique to central Baja California, Mexico

Tim Fitzharris / California Desert Dandelion (Malacothrix californica) flowers and Ocotillo (Fouquieria splendens) in spring, Joshua Tree National Park, California

Cyril Ruoso / Boojum tree (Fouquieria columnaris) at dusk, Vizcaino Desert, Baja California, Mexico, May.

Cyril Ruoso / Boojum tree (Fouquieria columnaris), Elephant cactus (Pachycereus pringlei) and Datilillo (Yucca valida) silhouetted at night, Vizcaino Desert, Baja California, Mexico, May.

Cyril Ruoso / Boojum trees (Fouquieria columnaris) Vizcaino Desert, Baja California, Mexico, May.

Cyril Ruoso / Harris' hawk (Parabuteo unicinctus) on nest in a Boojum tree (Fouquieria columnaris) Vizcaino Desert, Baja California, Mexico, May.

Tim Fitzharris / Ocotillo (Fouquieria splendens) with rainbow Gobbler Knob formation, Sacramento Mountains, Lincoln,New Mexico

Tim Fitzharris / Ocotillo (Fouquieria splendens) and mesa, Lincoln National Forest, Sacramento Mountains, New Mexico