Acarospora gallica H. Magn.
Syn.: ?Acarospora hungarica H. Magn.
Lichenised.
Substrate: siliceous rocks, intermediate rocks (such as calciferous schists)
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a probably holarctic species of base-rich, weakly calciferous siliceous substrata, such as calcareous sandstone, brick, and roofing tiles, with several scattered records from the Alps.
Austria: Tirol; Kärnten; Niederösterreich (incl. Wien); Switzerland: Graubünden; France: Alpes-Maritimes; Var; Italy: Piemonte; Liguria;