Mojave Desert
The Mojave Desert is considered a high desert, because elevations can range up to . The Mojave Desert is characterized by the presence of "Yucca brevifolia", the Joshua Tree, which as an indicator species of the Mojave Desert, extends southeasterly into Mohave County, Arizona, and even further, all parts of northwest Arizona. Other common plants of the Mojave Desert include creosote bush, blackbrush, greasewood and saltbush. Higher elevations host Western juniper and Pinyon pine.