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

Unidentified Gorge Lichens #14

Can you help verify the identity of these lichens?

Unidentified Columbia River Gorge Lichens #14

Unidentified lichens as seen on basalt outcrops near the falls above the Crawford Oaks trailhead parking area, Columbia Hills State Park.........February 18, 2015.

Paul Slichter E-mail