[Xanthoparmelia Lichens of the Columbia River Gorge of Oregon and Washington]

Unidentified Xanthoparmelia lichen

Xanthoparmelia sp.

Unidentified Xanthoparmelia lichen.

What appears to be an unidentified xanthoparmelia lichen as seen on basal rocks near the Crawford Oaks in the Columbia Hills State Park, Columbia River Gorge...........March 2, 2013.

Unidentified Xanthoparmelia lichen. - Unidentified Xanthoparmelia lichen.

What appears to be an unidentified xanthoparmelia lichen as seen on basal rocks near the Crawford Oaks in the Columbia Hills State Park, Columbia River Gorge...........March 2, 2013.
Paul Slichter