Rhizoplaca chrysoleuca (Sm.) Zopf

Syn.: Lecanora chrysoleuca (Sm.) Ach., Lecanora rubina (""Vill."") Ach., Lichen chrysoleucus Sm., Omphalodina rubina (""Vill."") M. Choisy, Placodium rubinum (""Vill."") Müll. Arg., Squamaria chrysoleuca (Sm.) Duby, Squamaria rubina (""Vill."") Hoffm.
Lichenised.
Substrate: siliceous rocks
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a widespread holarctic lichen found on birds perching siliceous rocks and boulders, especially in the mountains; most frequent in areas with a dry-subcontinental climate, e.g. in the Central Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; Uri; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria;