Pseudosagedia oleriana (A. Massal.) Hafellner & Kalb

Syn.: Porina oleriana (A. Massal.) Lettau, Sagedia oleriana A. Massal.
Lichenised.
Substrate: calciferous rocks
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: on shaded surfaces of calcareous rocks, often with Acrocordia conoidea, but less confined to deep shade; in the study area so far known from the Western and Southern Alps.
France: Vaucluse; Var; Italy: Veneto; Lombardia;