Arthonia apatetica (A. Massal.) Th. Fr.
Syn.: Allarthonia apatetica (A. Massal.) Lettau, Arthonia exilis auct., Arthonia rugulosa (Kremp.) Almq., Catillaria apatetica A. Massal., Coniangium apateticum (A. Massal.) A. Massal.
Lichenised.
Substrate: , lignum
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a mainly temperate species found on trunks and young twigs of deciduous trees in sheltered situations, with optimum in the submediterranean belt. See also note on A. tenellula.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Germany: Oberbayern; Switzerland: Valais; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Slovenia: Alpine and Pre-Alpine Slovenia;