Umbilicaria polyphylla (L.) Baumg.

Syn.: Gyrophora aenea Schaer. var. glabra (Ach.) Schaer., Gyrophora anthracina (Wulfen) Körb., Gyrophora glabra (Ach.) Ach., Gyrophora polyphylla (L.) Funck, Lichen polyphyllus L., Umbilicaria anthracina (Wulfen) Hoffm., Umbilicaria glabra Ach.
Lichenised.
Substrate: siliceous rocks
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 variable and ecologically wide-ranging species of rainy areas, with optimum on inclined surfaces of siliceous rocks wetted by rain; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; Luzern; Ticino; Uri; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Vaucluse; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia;