Western Juniper
This open woodland dominated by western juniper (Juniper us occidentalis) is the northern counterpart of the Pinyon-Juniper type of the Great Basin. Shrub-steppe dominated by big sagebrush (Artemisia tridentata) and Idaho fescue typically comprises the understory of this zone Throughout the arid regions of interior Oregon, juniper woodland characterizes rimrock habitat where local moisture supplies permit establishment of this xerophytic tree.