Placynthium filiforme (Garov.) M. Choisy

Syn.: Leptogium cornicularioides Bagl., Parmelia filiformis Garov., Polychidium centrifugum (Nyl.) Jatta, Pterygium centrifugum Nyl., Pterygium filiforme (Garov.) A.L. Sm., Wilmsia centrifuga (Nyl.) Körb.
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 (-montane) to mild-temperate lichen found on steeply inclined seepage tracks of calcareous rocks, with a rather wide altitudinal range.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Schwyz; Unterwalden; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Slovenia: Alpine and Pre-Alpine Slovenia;