Definition that contains cascade mountains
- leichtlin's camas camas found to the west of Cascade Mountains
- sagebrush mariposa tulip mariposa having loose clusters of one to three handsome lilac flowers resembling umbels atop stout erect stems; arid northwestern North America east of Cascade Mountains from southern British Columbia to northern California
- calochortus macrocarpus mariposa having loose clusters of one to three handsome lilac flowers resembling umbels atop stout erect stems; arid northwestern North America east of Cascade Mountains from southern British Columbia to northern California
- camassia leichtlinii camas found to the west of Cascade Mountains