Verrucaria acrotella Ach.
Syn.: Verrucaria aethiobola Wahlenb. var. acrotella (Ach.) H. Olivier
Lichenised. Poorly known taxon.
Substrate: siliceous rocks
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species found on siliceous rocks, mostly close to the ground, which needs further study.
France: Alpes-Maritimes; Savoie; Haute-Savoie; Vaucluse; Italy: Trentino Alto Adige; Liguria;