Lecidella umbrosa (Bagl. ex A. Massal.) Hertel

Syn.: Biatora umbrosa Bagl. ex A. Massal., Lecidea umbrosa (Bagl. ex A. Massal.) Müll. Arg.
Lichenised. Poorly known taxon.
Substrate: rocks
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a species of base-rich siliceous rocks, related to L. anomaloides, which needs further study.
Italy: Trentino Alto Adige;