Tremolecia atrata (Ach.) Hertel

Syn.: Aspicilia melanophaea (Fr.) Körb., Gyalecta atrata Ach., Lecidea atrata (Ach.) Wahlenb., Lecidea atroferrata Branth & Grønlund, Lecidea circumcisa H. Magn., Lecidea dicksonii auct. non (J.F. Gmel.) Ach., Lecidea melanophaea Fr., Lecidea sincerula Nyl. ex Cromb.
Lichenised.
Substrate: metal-rich siliceous rocks, siliceous rocks
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a species of cool to cold areas of both Hemispheres, found on hard magmatic and metamorphic rocks often rich in iron, mostly on small boulders in upland areas; widespread and locally common in the Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Niederösterreich (incl. Wien); Germany: Schwaben; Switzerland: Bern; Graubünden; Ticino; Uri; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria;