Lecanora diaboli Frey & Poelt

Syn.: Lecanora concolor Ramond f. elata (Arnold) Mig., Placodium concolor (Ramond) Körb. f. elatum Arnold
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 nival belt (above the lower limit of perennial snow and glaciers)
Note: a species with large, thick thalli forming rosettes, otherwise recalling L. concolor; on steep rock faces of marly limestone or schists and even gneiss at high elevations; widespread in the Alps, but rare.
Austria: Tirol; Switzerland: Graubünden; France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes;