Blackbush scrub,[1] or blackbrush scrub,[2] is a vegetation type of the Western United States deserts characterized by low growing, dark gray blackbush (Coleogyne ramosissima) as the dominant species.
[1][2] Blackbush often occurs in pure stands, giving a uniform dark gray appearance to the landscape.
[1] Blackbrush scrub occurs over a wide elevation range in the Mojave Desert.
), cheesebush (Ambrosia salsola), and winter fat (Krascheninnikovia lanata).
[1] In the Colorado Plateau, it occurs across uniformly thin soils.