Staurothele rufa (A. Massal.) Zschacke

Syn.: Polyblastia rufa A. Massal., Polyblastia scabrida (Anzi) Jatta, Staurothele scabrida (Anzi) B. de Lesd., Thelotrema scabridum Anzi
Lichenised.
Substrate: calciferous rocks, intermediate rocks (such as calciferous schists)
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) 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 species with a thin, brownish thallus, black, hemispherically protruding perithecia of variable size (not immersed in thalline warts), and spherical hymenial algae; on limestone and various types of calciferous schists; widespread in Central Europe, but rarely collected, most records being from the montane belt of the Alps.
Austria: Tirol; Salzburg; Niederösterreich (incl. Wien); Switzerland: Graubünden; Uri; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Italy: Trentino Alto Adige; Lombardia; Liguria;