Umbilicaria virginis Schaer.

Syn.: Gyrophora stipitata (Nyl.) Branth, Gyrophora virginis (Schaer.) Frey, Omphalodiscus virginis (Schaer.) Schol., Umbilicaria rugifera Nyl., Umbilicaria stipitata Nyl.
Lichenised.
Substrate: siliceous rocks
Altitudinal distribution: nival belt (above the lower limit of perennial snow and glaciers)
Note: an arctic-alpine, probably circumpolar lichen found on wind-exposed siliceous cliffs, often in small niches and under overhangs; strictly limited to the nival belt in the Alps.
Austria: Tirol; Salzburg; Kärnten; Switzerland: Bern; Graubünden; Ticino; Uri; Valais; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Haute-Savoie; Italy: Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;