Thelocarpon intermediellum Nyl.

Syn.: Thelocarpon intermixtulum Nyl.
Lichenised.
Substrate: lignum, siliceous rocks
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a rarely-collected but apparently widespread ephemeral species of siliceous rocks and, occasionally, rotten wood, mostly in upland areas; from the Alps there are only a few scattered records.
Austria: Kärnten; Niederösterreich (incl. Wien); France: Vaucluse; Italy: Trentino Alto Adige;