Image of map lichen

Description:

Habitat: Alpine grassland, fully exposed to sun, partly protected from direct rain, precipitations ~3.000 mm/year, average temperature 0-2 deg C, elevation 2.100 m (6.600 feet), alpine phytogeographical region. Substratum: south oriented vertical calcareous bedrock face. Ref.: F. Dobson, Lichens, The Richmond Publ. (2005), p390. V.Wirth, Die Flechten Baden-Wuerttembergs, Ulmer (1995), Vol.2., p819. Brodo, Sharnoff, Sharnoff, Lichens of North America, Yale Uni. Press (2001), p634. Determination not certain, although field characters fit well to literature.