Snow Lichens of the Columbia River Gorge of Oregon and Washington
The Genus Stereocaulon
What appears to be a snow lichen as seen on basalt talus on a slope to the northeast of Gillette Lake, along the Pacific Crest Trail, Columbia River Gorge..........November 13, 2013.
Snow Lichen, Vesuvius Snow Lichen: Stereocaulon vesuvianum ?
Paul Slichter