Verrucaria murorum (A. Massal.) Lindau
Syn.: Lithocia murorum (A. Massal.) Arnold, Thrombium murorum A. Massal.
Lichenised. Poorly known taxon.
Substrate: calciferous 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 calcicolous species belonging to the V. macrostoma-complex, with scattered records from the Alps.
Austria: Vorarlberg; Switzerland: Schwyz; Valais; France: DrĂ´me; Italy: Veneto; Trentino Alto Adige; Lombardia;