Koerberia sonomensis

Species of lichen

Koerberia sonomensis, the Sonoma koerberia lichen, is a dark olive-green foliose lichen found in western North America mountains, Mediterranean areas of Europe, northern Africa and in the Sonoran Desert. The body (thallus) is a small .5 to 1 centimetre rosette of leafy structures with elongate lobes to 2 millimetres (0.079 in). 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 genus in the Placynthiaceae family.

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