[Navel Lichens: The Genus Umbilicaria in the Columbia River Gorge of Oregon and Washington]

Navel lichens observed on moist rocks along Swale Creek along the Klickitat Trail, Klickitat County, WA......February 2, 2019.

A navel lichen as seen at left on moist rocks along the paved trail at Catherine Creek, Columbia River Gorge......February 2, 2014. The photo at right shows navel lichen on rocks at Catherine Creek, Columbia River Gorge.....January 3, 2021.

Navel lichen growing on a lichen encrusted basalt rock along the Cherry Orchard Trail about one mile east of Lyle, Washington...........February 9, 2013. The whitish foliose lichen to the left appears to be a Physcia sp.

Navel lichen growing on a lichen encrusted basalt rock on Chenoweth Table near The Dalles, Oregon...........March 28, 2013.

What might be navel lichen (Umbilicaria phaea?) on a basal outcrop along Major Creek, Columbia River Gorge............May 2, 2013.