Altitudinal distribution: submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: a species with a thin, epilithic, grey, rimose to areolate thallus, the basal layer blackish, ascomata usually one per areole, slightly protruding (to 0.25 mm in diam.), an adpressed involucrellum reaching down to the base of the perithecium and merging with the basal layer, and ascospores to c. 30 µm long; on calcareous sandstone, only known from the type locality in the Western Alps (Italy).
