Ramonia subsphaeroides (Tav.) Vězda

Syn.: Gyalecta subsphaeroides Tav.
Lichenised.
Substrate: bark
Altitudinal distribution: submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: a Mediterranean-Atlantic epiphytic species, mostly found on Quercus in shaded and humid stands, with a few records from the Western Alps (France).
France: Alpes-de-Haute-Provence; Alpes-Maritimes; Vaucluse; Var;