Cassiope mertensiana
A low, decumbent subshrub of high montane to alpine habitats, found in the Sierra Nevada and to the north & northeast.
Flowers near the junction of the Killen Creek Trail and Pacific Crest Trail on the northwest side of Mount Adams, 3 Aug 2008.
Plant habit on Killen Creek Trail near the Pacific Crest Trail, 3 Aug 2008.
Flowers on the Killen Creek Trail, Washington, 3 Aug 2008.