Squamarina lamarckii (DC.) Poelt

Syn.: Lecanora lagascae Ach., Lecanora lamarckii (DC.) Rabenh., Parmelia lagascae (Ach.) Spreng., Placodium lamarckii (DC.) Müll. Arg., Psoroma lagascae (Ach.) Körb., Squamaria lagascae (Ach.) Balb., Urceolaria lamarckii DC.
Lichenised.
Substrate: calciferous rocks, intermediate rocks (such as calciferous schists)
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: on steeply inclined surfaces of calcareous rocks with short periods of water seepage after rain, mostly near and above treeline; widespread throughout the Alps, but only locally common.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Switzerland: Bern; Graubünden; Luzern; St. Gallen; Uri; Unterwalden; Vaud; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Isère; Savoie; Haute-Savoie; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Slovenia: Alpine and Pre-Alpine Slovenia;