Altitudinal distribution: subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a calcicolous species with a thin, whitish thallus and hemispherically protruding ascomata (to 0.25 mm in diam.), a tightly adpressed involucrellum reaching down about half of the perithecium, ellipsoid, non-septate ascospores with c. 20% 1-septate ascospores intermingled (to c. 20 µm long); only known from the type locality in the Eastern Alps (Germany).