Endohyalina insularis (Arnold) Giralt, van den Boom & Elix

Syn.: Buellia saxatilis Schaer. f. insularis Arnold, Rinodina insularis (Arnold) Hafellner
Lichenised.
Substrate:
Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a widespread, but apparently rare silicicolous species described from South Tyrol, with a srongly reduced thallus and an obligately lichenicolous growth on species of the Lecanora rupicola-group; in the Alps it is not common.
Austria: Tirol; Kärnten; Steiermark; France: Alpes-Maritimes; Var; Italy: Trentino Alto Adige; Slovenia: Alpine and Pre-Alpine Slovenia;