Caloplaca italica B. de Lesd.

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 characterised by the absence of a visible thallus, bright orange, immersed apothecia (0.2-0.3 mm in diam.) with a thin orange margin, and ascospores measuring 9-13 × 6-6.5 µm; known only from the type locality at c. 3,000 m.
Italy: Piemonte;