Sporastatia testudinea (Ach.) A. Massal.
Syn.: Acarospora testudinea (Ach.) A. Massal., Biatorella morio auct. non (Duby) Flagey, Biatorella testudinea (Ach.) A. Massal., Lecidea cechumena Ach. var. testudinea Ach., Lecidea morio auct. non (Duby) Fr., Sporastatia morio auct. non (Duby) Körb., Sporastatia testudinea (Ach.) A. Massal. var. coracina auct. p.p. Th. Fr. non (Hoffm.) Bagl. & Carestia, Sporastatia testudinea (Ach.) A. Massal. var. pallens (Fr.) Stein
Lichenised.
Substrate: 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: an arctic-alpine to boreal-montane, circumpolar lichen found on hard siliceous rocks, including pure quartz in wind-exposed sites near or above treeline; widespread and common throughout the siliceous Alps.
Austria: Vorarlberg; Tirol; Salzburg; Kärnten; Steiermark; Germany: Schwaben; Switzerland: Bern; Graubünden; Luzern; 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;