Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species with a thin, greenish to olivaceous thallus forming patches to 10 mm in diam., minute (less than 0.2 mm in diam.) hemispherically protruding ascomata partly covered by a thin, granulose thalline layer, an entire, thin involucrellum, and ellipsoid, non-halonate ascospores (16-28 × 8-13 μm); on shaded, temporarily wet siliceous rocks, also reported to form isles on other Verrucaria species (type!); widespread in Central Europe, with a single record from the Western Alps (France).
