Navel Lichens of the Columbia River Gorge of Oregon and Washington

The Genus Umbilicaria

Navel Lichen: Umbilicaria phaea (Synonym: Gyrophora phaea) (Umbilicariaceae)

Manyleaf Navel Lichen: Umbilicaria polyphylla (Synonym: Gyrophora polyphylla) (Umbilicariaceae)