Verrucaria procopii Servít
Lichenised.
Substrate: calciferous rocks
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: one of the few species of the genus with isidia, apparently widespread in Europe, but scattered, with a few records from the Eastern Alps (Austria).
