Parmelina atricha (Nyl.) P. Clerc

Syn.: Parmelia atricha Nyl., Parmelia quercina (Willd.) Vain. var. convoluta (Schaer.) Zahlbr.
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: a saxicolous species described from the Eastern Pyrenees, so far also known from Southern France, Northern Italy and Southern Switzerland, with a mainly submediterranean-montane distribution. It grows on siliceous rocks in more or less exposed, dry areas, with optimum in the montane belt.
Switzerland: Graubünden; Valais; France: Alpes-Maritimes; Italy: Trentino Alto Adige; Lombardia;