Lepra leucosora (Nyl.) Hafellner
Syn.: Pertusaria digrediens Nyl., Pertusaria leucosora Nyl. non auct.
Lichenised.
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: on siliceous rocks in upland areas. According to Roux et coll. (2017), Pertusaria digrediens is a synonym of L. leucosora.
France: Alpes-Maritimes; Isère; Savoie; Vaucluse; Var; Italy: Trentino Alto Adige; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;