Endocarpon psorodeum (Nyl.) Blomb. & Forssell

Syn.: Dermatocarpon psorodeum (Nyl.) Vain., Verrucaria psorodea Nyl.
Lichenised.
Substrate: siliceous rocks, intermediate rocks (such as calciferous schists), calciferous rocks
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: on mineral-rich basic siliceous rocks with some water seepage, often associated to colonies of cyanobacteria; probably more widespread throughout the Alps, especially in dry-continenral valleys.
Austria: Kärnten; Oberösterreich; Niederösterreich (incl. Wien); Switzerland: Schwyz; France: Isère; Italy: Piemonte;