The map lichen (Rhizocarpon geographicum) is a species of lichen, which grows on rocks in mountainous areas of low air pollution. Each lichen is a flat patch bordered by a black line of spores. These patches grow adjacent to each other, leading to the appearance of a map or a patchwork field.
Ahtiana is a genus of lichenized fungi within the Parmeliaceae family. A monotypic genus, it contains the single species Ahtiana sphaerosporella, found in western North America. This species was segregated from the genus Parmelia by Canadian lichenologist Trevor Goward in an 1985 publication. It had been suggested that the genus include A. aurescens ...more ↓
Letharia vulpina, commonly known as the wolf lichen (although the species name vulpina, from vulpine relates to the fox), is a fruticose lichenized species of fungus in the family Parmeliaceae. It is bright yellow-green, shrubby and highly branched, and grows on the bark of living and dead conifers in parts of western and continental Europe, the Pacific ...more ↓
Xanthoria elegans, commonly known as the elegant sunburst lichen, is a lichenized species of fungus in the genus Xanthoria, family Teloschistaceae. Recognized by its bright orange or red pigmentation, this species grows on rocks, often near bird or rodent perches. It has a circumpolar and alpine distribution. It was one of the first lichens to be used for the ...more ↓