Arthonia lapidicola (Taylor) Branth & Rostr.

Syn.: Allarthonia fusca (A. Massal.) Sandst., Allarthonia lapidicola (Taylor) Zahlbr., Arthonia fusca (A. Massal.) Hepp, Arthonia koerberi (J. Lahm ex Arnold) Malbr., Arthonia vagans Almq. var. koerberi (J. Lahm ex Arnold) Almq., Catillaria fusca A. Massal., Catillaria ooliticola Walt. Watson, Coniangium fuscum (A. Massal.) A. Massal., Coniangium lapidicola (Taylor) Arnold, Coniangium rupestre Körb., Lecidea lapidicola Taylor
Lichenised.
Substrate: calciferous rocks, plant debris
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: a holarctic species of calcareous rocks and mortar, most frequent on pebbles, but also on walls, roofing tiles etc.; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Schwyz; Uri; Vaud; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Veneto; Trentino Alto Adige; Lombardia; Piemonte;