Gyrographa gyrocarpa (Flot.) Ertz & Tehler
Syn.: Graphis gyrocarpa (Flot.) Spreng., Opegrapha gyrocarpa Flot., Opegrapha saxicola Ach. var. gyrocarpa (Flot.) Stizenb.
Lichenised.
Substrate: siliceous rocks
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: on steeply inclined to underhanging surfaces of siliceous rocks, often in forests, in cold-humid situations, more rarely on subacid bark; widespread throughout the siliceous Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Switzerland: Uri; Valais; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;