Placynthium hungaricum Gyeln.

Lichenised.
Substrate: calciferous rocks
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) 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 Mediterranean to mild-temperate species found on steeply inclined, sun-exposed seepage tracks of calcareous rocks, usually below the subalpine belt.
Austria: Vorarlberg; Tirol; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Switzerland: Graubünden; Schwyz; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Drôme; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Lombardia;