''Koerberia sonomensis'', the Sonoma koerberia lichen, is a dark olive-green foliose
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship. /ref> Mediterranean areas of Europe, northern Africa and in the Sonoran Desert.Encyclopedia of Life (source - Lichen Flora of the Greater Sonoran Desert Region - Arizona State University Lichen Herbarium: Greater Sonoran Desert Lichen Flora), Koerberia sonomensis /ref> The body ( thallus) is a small rosette of leafy structures with elongate lobes to . The upper surface is dark olive-green sometimes striped, and the lower surface is pale olive-green. The fruiting forms ( apothecia) are flat to slightly convex, and deep red-brown. It is in the ''
Koerberia
''Koerberia'' is a genus of lichen-forming fungi in the family Koerberiaceae.
The genus name of ''Koerberia'' is in honour of Gustav Wilhelm Körber (1817–1885), who was a German lichenologist.
The genus was circumscribed
In geometry, th ...
Placynthiaceae
The Placynthiaceae are a lichenized family of fungi in the order Peltigerales. Species of this family are found largely in northern temperate regions.
Genera
Numbers of species accepted by Species Fungorum
''Index Fungorum'' is an internationa ...