Protoparmeliopsis peltata (Ramond) Arup, Zhao Xin & Lumbsch

Syn.: Lecanora peltata (Ramond) Steud., Lichen peltatus Ramond, Psoroma concinnum Bagl. & Carestia, Rhizoplaca peltata (Ramond) Leuckert & Poelt
Lichenised.
Substrate: siliceous rocks
Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: a chemically variable species also known from Africa, Asia, and North America, found on exposed siliceous rocks; apparently most common in the Western Alps.
France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Italy: Piemonte; Valle d'Aosta;