[Cup Lichens: The Genus Cladonia in the Cascade Mountains of Oregon and Washington]

Cup Lichen

Cladonia pyxidata

Cup Lichen: Cladonia pyxidata

What appears to be Cladonia pyxidata as seen on lava surfaces. Photographed along the Pacific Crest Trail 2000 on the west side of the Big Lava Bed about one-quarter mile south of Forest Service Road 60, Gifford Pinchot National Forest.............November 5, 2012. Note the low, broad-mouthed cups.

Paul Slichter