Verrucaria adelminienii Zschacke

Lichenised. Poorly known taxon.
Substrate: calciferous 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 calcicolous species resembling V. muralis, with a thin, greenish-white thallus, slightly protruding ascomata (to c. 0.5 mm in diam.) with a closed, black exciple, and ascospores to c. 25 µm long; in the Central European mountains it is most common in the montane belt; there are scattered records from the Alps, but several recent ones are uncertain.
Austria: Salzburg; Niederösterreich (incl. Wien); Switzerland: Luzern; Schwyz; France: Haute-Alpes; Alpes-Maritimes; Isère; Vaucluse; Var;