Altitudinal distribution: submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: a silicicolous species with a grey, epilithic, rimose to areolate thallus either spreading or forming patches, the areoles with an uneven surface or minutely verrucose, with black granules (to 100 µm in diam.), hemispherically protruding ascomata (to 0.3 mm in diam.), an involucrellum attached to the perithecial wall and reaching down about half of the perithecium, and oblong to ellipsoid, simple ascospores with c. 10% one-septate intermixed (to c. 20 µm long); only known from the type locality at the base of the Western Alps (Italy).