Lecidella stigmatea (Ach.) Hertel & Leuckert

Syn.: Bacidia arthoniza (Nyl.) Zahlbr., Bacidia biseptata H. Magn., Bacidia ostrogothica Malme, Biatora arctoides Hellb., Lecidea arthoniza Nyl., Lecidea caesiocinerea H. Magn., Lecidea cinnamomea Flörke ex Hellb., Lecidea diasemoides Nyl., Lecidea enteroleuca auct. p.p., Lecidea glabra (Kremp.) Hellb., Lecidea imitatrix Zahlbr., Lecidea incongrua (Nyl.) Nyl., Lecidea micacea (Körb.) H. Olivier, Lecidea parasema auct. subsp. incongrua Nyl., Lecidea prominula Borrer, Lecidea restricta Stirt., Lecidea stigmatea Ach., Lecidea subsequens Nyl., Lecidea vulgata Zahlbr., Lecidella aequata (Flörke) Kremp., Lecidella glabra Kremp., Lecidella incongrua (Nyl.) Arnold, Lecidella micacea Körb., Lecidella vulgata (Zahlbr.) M. Choisy; incl. Lecidella stigmatea (Ach.) Hertel & Leuckert f. egena (Kremp.) Clauzade & Cl. Roux
Lichenised.
Substrate: calciferous rocks, siliceous rocks, intermediate rocks (such as calciferous schists)
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a variable and ecologically wide-ranging lichen, often found in disturbed habitats, especially on sandstone walls, sometimes starting the life-cycle on other crustose lichens; widespread throughout the siliceous Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Burgenland; Germany: Oberbayern; Schwaben; Switzerland: Bern; Graubünden; Luzern; Schwyz; Ticino; Uri; Vaud; 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;