Iris chrysophylla, the yellowleaf iris, is a wildflower which ranges from midwestern and southern Oregon west of the Cascades and south to the crest of the Siskiyou Mountains in northern California.
The yellowleaf iris, Iris chrysophylla, is a wildflower native to the western regions of Oregon and northern California, specifically within the mountain ranges along the Cascades and the Siskiyou Mountains.