Altitudinal distribution: submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: a species with a thin blackish thallus, reddish brown apothecia enclosed in thalline nodules, 8-spored asci, and subglobose ascospores (8-10 μm in diam.), found on calcareous rocks and walls in dry habitats; in the study area so far only recorded from the Western Alps (France).
