Aspicilia subdepressa Arnold

Syn.: Aspicilia caesiocinerea (Nyl. ex Malbr.) Arnold var. subdepressa (Arnold) Clauzade & Cl. Roux, Lecanora subdepressa (Arnold) Nyl., Pachyospora subdepressa (Arnold) M. Choisy
Lichenised.
Substrate: siliceous rocks
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a silicicolous species of vertical to inclined rocks in rather dry areas, with optimum in the montane belt, with a few scattered records from the Alps.
Austria: Tirol; Kärnten; Niederösterreich (incl. Wien); France: Alpes-Maritimes; Italy: Trentino Alto Adige; Piemonte;