Lecanora pulicaris (Pers.) Ach.

Syn.: Lecanora chlarona (Ach.) Nyl., Lecanora coilocarpa (Ach.) Nyl. non auct., Lecanora detrita (Hoffm.) Ach., Lecanora pinastri (Schaer.) H. Magn., Lecanora subfusca (L.) Ach. var. detrita (Hoffm.) A. Massal., Lecanora subfusca (L.) Ach. var. pinastri Schaer., Patellaria pulicaris Pers.
Lichenised.
Substrate: bark, lignum
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: a cool-temperate to boreal-montane, circumpolar lichen found on bark of conifers, more rarely of broad-leaved trees, and on lignum, both on twigs and trunks; widespread throughout the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Burgenland; Germany: Oberbayern; Schwaben; Switzerland: Bern; Glarus; Graubünden; Luzern; St. Gallen; Schwyz; Ticino; Uri; Unterwalden; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia; Trnovsky Gozd; Liechtenstein