Caloplaca xantholyta (Nyl.) Jatta

Syn.: Lecanora xantholyta Nyl., Lepraria xantholyta (Nyl.) Lettau, Leproplaca xantholyta (Nyl.) Hue, Placodium xantholytum (Nyl.) Nyl.
Lichenised.
Substrate: calciferous rocks, siliceous rocks, calciferous soil
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a mild-temperate lichen of steeply inclined to underhanging surfaces of limestone and other calcareous rocks in humid, often shaded situations.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Schwyz; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte;