LICHALP

Rhizocarpon coeruleoalbum (Kremp.) Zahlbr.

Syn.: Buellia coeruleoalba (Kremp.) Th. Fr., Rehmia coeruleoalba Kremp.

Lichenised.

Substrate: calciferous rocks, intermediate rocks (such as calciferous schists)

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)

Note: on weakly calciferous or base-rich siliceous rocks, especially calcareous schists, with optimum above treeline.