Lecidea infirmata Arnold
Syn.: Lecidea paupercula Th. Fr. f. infirmata (Arnold) Lettau
Lichenised. Poorly known taxon.
Substrate: siliceous rocks
Altitudinal distribution: alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)
Note: known only from the type collection and from a single record from Austria, this silicicolous species is related to L. atrobrunnea.
