[Collomias and Mountain-trumpets: The Genus Collomia West of the Cascade Mountains of Oregon and Washington]

Yellow-staining collomia (seen at the base of lacelip fern, Cheilanthes gracillima) as seen on open slopes in upper Bigelow Basin, Siskiyou National Forest........July 14, 2012.

Yellow-staining collomia on a low road cut along Forest Service Road 5401 on Baldy Mt. about a mile downhill and north of the Malheur National Forest boundary.........June 22, 2011. Note the long corolla tube on one of the flowers visible in the photo at left.

Examples of yellow-staining collomia as seen in roadside gravels along Forest Service Road 16 in Summit Prairie, Malheur National Forest.........August 20, 2011. Note the long calyx lobes, long corolla tube and numerous gland-tipped hairs covering the leaves and stem.