LICHALP

Lithographa tesserata (DC.) Nyl.

Syn.: Graphis petraea (Ach.) Wallr., Haplographa tumida Anzi, Lithographa petraea (Ach.) Nyl., Lithographa tesserata (DC.) Nyl. var. petraea (Ach.) Redinger, Lithographa tumida (Anzi) Ozenda & Clauzade, Opegrapha petraea Ach., Opegrapha tesserata DC., Placographa nivalis Th. Fr., Placographa tesserata (DC.) Th. Fr.

Lichenised.

Substrate: calciferous rocks, siliceous rocks

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 sheltered base-rich siliceous rocks in humid upland areas.