Verrucaria praecellens (Arnold) Servít var. obtecta (Arnold) Servít
Syn.: Amphoridium hochstetteri Fr. f. obtectum Arnold non Verrucaria obtecta Müll. Arg.
Lichenised. Poorly known taxon.
Substrate:
Altitudinal distribution: subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a variety with a thin, greyish thallus, weakly protruding to entirely immersed ascomata (to c. 0.7 mm in diam.) without involucrellum, and broadly ellipsoid ascospores (to c. 45 µm long); on calcareous flintstone, only known from the type locality in the Eastern Alps (Germany).
