Syn.: Dermatocarpon subpruinosum (Servít) Servít var. serpentinicola Servít
Lichenised.
Substrate: siliceous rocks
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species with a spreading, epilithic, rimose to areolate, brownish-grey thallus with a dark basal layer, ascomata immersed in the centre of areoles (to 0.25 mm in diam.), an involucrellum adpressed to the perithecial wall, reaching down to the base and merging with the basal layer, and ellipsoid ascospores (to c. 20 µm long); on ophiolithic rocks at low elevations; widespread but rare in Europe, including the Eastern Alps (Austria).
