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

Unidentified Gorge Lichen #2

Can you help verify the identity of this lichen?

Unidentified Gorge Lichen #2

An unidentified lichen seen on a basalt outcrop between navigation locks at Bonneville Dam, Columbia River Gorge..........May 14, 2013.

Unidentified Gorge Lichen #2

An unidentified lichen seen on a basalt outcrop between navigation locks at Bonneville Dam, Columbia River Gorge..........May 14, 2013.
Paul Slichter E-mail