Myriolecis semipallida (H. Magn.) Śliwa, Zhao Xin & Lumbsch

Syn.: Lecanora flotoviana auct. non Spreng., Lecanora semipallida H. Magn., Lecanora xanthostoma Cl. Roux ex Fröberg, Lecanora xanthostoma Wedd. ex Cl. Roux nom. inval.
Lichenised.
Substrate: calciferous rocks, intermediate rocks (such as calciferous schists), parasitic on other lichens
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a calcicolous species found on the top of exposed boulders, in sites often visited by birds; widespread throughout the Alps, absent from large settlements and very rare on man-made substrata.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Oberösterreich; Niederösterreich (incl. Wien); Germany: Oberbayern; Schwaben; Switzerland: Graubünden; Luzern; Schwyz; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Drôme; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Liguria; Slovenia: Alpine and Pre-Alpine Slovenia;