Lecanora flahaultiana Hue

Lichenised. Poorly known taxon.
Substrate: calciferous rocks
Altitudinal range: from the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers) to the nival belt (above the lower limit of perennial snow and glaciers)
Note: a calcicolous species with a whitish, pulvinate, fragile thallus, sessile apothecia, and minute, broadly ellipsoid to subspherical ascospores; in the study area so far known only from the Western Alps (France).
France: Alpes-de-Haute-Provence; Savoie;