Acarospora anomala H. Magn.

Lichenised. Poorly known taxon.
Substrate: lignum
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a species of eutrophicated, dry and hard lignum, closely related to other saxicolous species, hitherto reported from Scandinavia and a few scattered localities in the Alps.
France: Isère; Italy: Trentino Alto Adige;