Verrucaria nivalis Hepp

Lichenised. Poorly known taxon.
Substrate: calciferous rocks
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a calcicolous species with ovoid ascospores (to 36 µm long), only known from the type locality in the Eastern Alps (Austria).
Austria: Kärnten;