Placidiopsis crassa (Anzi) Clauzade & Cl. Roux
Syn.: Dermatocarpon crassum (Anzi) Zahlbr., Endocarpon crassum Anzi
Lichenised.
Substrate: siliceous rocks
Altitudinal distribution: submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: a rare species found on periodically flooded siliceous rocks below the montane belt.
