LICHALP

Caloplaca viridirufa (Ach.) Zahlbr.

Syn.: Caloplaca aractina (Fr.) Häyrén, Caloplaca cerina (Hedw.) Th. Fr. var. aractina (Fr.) Th. Fr., Caloplaca fuscoatra auct. non (Decouillè) Zahlbr., Lecidea viridirufa Ach., Parmelia aractina Fr., Placodium fuscoatrum auct. non (Nyl.) A.L. Sm.

Lichenised.

Substrate: siliceous rocks

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)

Note: according to Vondrák (see Nimis 2016) C. viridirufa is not homogeneous, and includes several taxa with different ecology and distribution.