[Beardtongues and Penstemons: The Genus Penstemon West of the Cascade Mountains of Oregon and Washington]

What may be small azure beardtongue as seen along the Pacific Crest Trail between Cook and Green Pass and Red Buttes, Klamath National Forest, Siskiyou County, CA.......July 14, 2020.

Small azure beardtongue fading out of bloom at a rock outcrop along the Pacific Crest Trail about one-third of a mile south of the Grouse Gap Trailhead, Jackson County, OR.......July 23, 2021.