Thelidium olivaceum (Fr.) Körb. [nom.illeg.]
Syn.: Arthopyrenia olivacea (Fr.) A. Massal., Arthopyrenia pseudolivacea (Nyl.) H. Olivier, Involucrothele olivacea (Fr.) Servít, Verrucaria olivacea Fr. (1831) non Pers. (1794) nec Hoffm. (1796) nec Wallr. (1831), Verrucaria pseudolivacea Nyl.
Lichenised.
Substrate: calciferous rocks
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 circumboreal-montane species of calcareous rocks. The combination is based on an illegitimate basionym.
Austria: Tirol; Salzburg; Steiermark; Oberösterreich; Switzerland: Graubünden; Luzern; Schwyz; Vaud; Valais; France: Vaucluse; Italy: Veneto; Trentino Alto Adige; Lombardia;