Western clematis from the Corbett Exit from Interstate 84, near Corbett, OR.....August 1991.
Western clematis is found in sagebrush, ponderosa pine, and mixed forests, frequently along creek bottoms. It seems to frequently pop up in human disturbed environments.
Western clematis is found from southern British Columbia southward along the east base of the Washington Cascades, then west into the Columbia River Gorge. It is found on both sides of the Oregon Cascades and may be found as far south as southern California. It ranges eastward to New Mexico and North Dakota.
-----Western clematis from the Corbett Exit from Interstate 84, near Corbett, OR.....August 1991.