Verrucaria gypsophila Zschacke

Lichenised. Poorly known taxon.
Substrate: calciferous rocks
Altitudinal distribution: subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a species resembling V. brachyspora, with a thin, epilithic, continuous thallus of a greyish-brownish colour with a rose tinge, hemispherically protruding ascomata (to c. 0.2 mm in diam.) with involucrellum reaching down about two thirds of the perithecium, and obovoid ascospores (to c. 20 µm long); based on a type from Northern Germany, on gypsum; in the study area known from a single locality in the Eastern Alps (Austria), a record which however needs confirmation.
Austria: ?Steiermark;