Blackbush scrub
Blackbush scrub, or blackbrush scrub, is a vegetation type of the Western United States deserts characterized by low growing, dark gray blackbush as the dominant species. Blackbush often occurs in pure stands, giving a uniform dark gray appearance to the landscape.Blackbrush scrub occurs over a wide elevation range in the Mojave Desert. It may occur as an understory in Joshua tree woodland or pinyon-juniper woodland. Associates in the Mojave Desert include ephedra, hop-sage Grayia spinosa, turpentine broom, horsebrush, cheesebush, and winter fat.In the Colorado Plateau, it occurs across uniformly thin soils.
