Pleopsidium oxytonum (Ach.) Rabenh.

Pleopsidium oxytonum (Ach.) Rabenh.

Syn.: Acarospora flava (Bellardi) Trevis. (1853!), Acarospora oxytona (Ach.) A. Massal., Gussonea flava (Bellardi) Anzi, Gussonea oxytona (Ach.) A. Massal., Lecanora oxytona Ach., Lichen flavus Bellardi (1792) non Schreb. (1771), Pleopsidium flavum (Bellardi) Körb.

Lichenised.

Substrate: siliceous rocks, metal-rich siliceous rocks

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the nival belt (above the lower limit of perennial snow and glaciers)

Note: somehow more common than P. chlorophanum in the Mediterranean mountains, and in areas with a continental climate, as in the Central Alpine chains.

Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; Uri; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Haute-Savoie; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria;

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