Cetraria sepincola (Ehrh.) Ach.

Syn.: Cetraria scutata (Wulfen) Poetsch non auct., Lichen sepincola Ehrh., Platysma sepincola (Ehrh.) Hoffm., Tuckermannopsis sepincola (Ehrh.) Hale
Lichenised.
Substrate: bark, lignum
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a subarctic-subalpine, circumpolar species found on small twigs of shrubs and trees, especially Betula, Alnus viridis, Rhododendron ferrugineum, mostly near the ground, and in areas with siliceous substrata; widespread throughout the Alps, but only locally common.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Switzerland: Bern; Graubünden; Luzern; Vaud; Valais; France: Haute-Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;