Staurothele hymenogonia (Nyl.) Th. Fr.

Syn.: Polyblastia hymenogonia (Nyl.) H. Olivier, Polyblastia spurcella (Nyl.) A.L. Sm., Polyblastia ventosa A. Massal. non Arnold, Staurothele arenarum B. de Lesd., ?Staurothele extabescens (Nyl.) Zahlbr., Staurothele mediterranea B. de Lesd., Staurothele ventosa (A. Massal.) P. Syd., Verrucaria hymenogonia Nyl.
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 soft calciferous rocks, including calcareous sandstone and dolomite, sometimes also on concrete, with a wide altitudinal range.
Austria: Tirol; Kärnten; Steiermark; Switzerland: Bern; Schwyz; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Isère; Savoie; Vaucluse; Var; Italy: Veneto; Trentino Alto Adige; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia;