This semi-arid and desert woodland is dominated by Juniperus californica. Other trees present may include Quercus turbinella, Yucca brevifolia, Pinus quadrifolia, and Pinus monophylla. Stands of this desert woodland alliance occur in southern California in the inner central Coast Ranges, the montane Transverse and Peninsular ranges, south and east through Baja California, Mexico, and the Mojave Desert.