Polycauliona candelaria (L.) Frödén, Arup & Søchting

Syn.: Lecanora candelaria (L.) Ach., Lichen candelarius L., Massjukiella candelaria (L.) S.Y. Kondr., Fedorenko, S. Stenroos, Kärnefelt, Elix, J.-S. Hur & A. Thell, Physcia controversa A. Massal., Physcia lychnea (Ach.) Nyl., Xanthoria candelaria (L.) Th. Fr., Xanthoria controversa (A. Massal.) Rabenh., Xanthoria lychnea (Ach.) Th. Fr.
Lichenised.
Substrate: bark, lignum, 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: both on bark and on rock, sometimes on nutrient-enriched lignum, with optimum in upland areas with a subcontinental climate (e.g. continental valleys of the Alps).
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Fribourg; Glarus; Graubünden; Luzern; St. Gallen; Schwyz; Ticino; Uri; Unterwalden; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;