Xylopsora friesii (Ach.) Bendiksby & Timdal

Syn.: Hypocenomyce friesii (Ach.) P. James & Gotth. Schneid., Lecidea friesii Ach., Psora friesii (Ach.) Hellb.
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 mainly boreal-montane lichen found on bark of conifers (especially Pinus) and on charred wood; perhaps more widespread in the Alps.
Austria: Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Valais; France: Haute-Savoie; Italy: Trentino Alto Adige; Lombardia;