Verrucaria incertula (Arnold) Zahlbr.
Syn.: Amphoridium incertulum Arnold
Lichenised.
Substrate: calciferous rocks
Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: on very compact calcareous rocks subject to periodical water seepage; related to V. saprophila, differing in the smaller perithecia and spores (see Roux et coll. 2014: 1247).
