Placynthium subradiatum (Nyl.) Arnold
Syn.: Lecothecium controversum Anzi, Lecothecium radiosum Anzi, Lecothecium subradiatum (Nyl.) Dalla Torre & Sarnth., Pannaria subradiata Nyl., Placynthium radiosum (Anzi) Jatta, Pterygium subradiatum (Nyl.) Nyl., Wilmsia radiosa (Anzi) 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: on vertical, sun-exposed seepage tracks of calcareous rocks, with a wide altitudinal range; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Schwyz; Vaud; Valais; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;