Description: Thallus crustose, episubstratic, whitish-grey. Perithecia black, subglobose, only basally immersed, mostly superficial. Exciple distinctly 2-layered, the outer layer dark brown, the inner layer pale brown to colourless; involucrellum absent; hymenial hemiamyloid; hamathecium of periphyses and periphysoids; interascal filaments absent. Asci 8-spored, clavate, thin-walled, fissitunicate, not or very weakly thickened above, I-, K/I-. Ascospores strongly muriform, with 35–55 cells in optical view, hyaline, ellipsoid, 30-60(-75) x 15-25 μm. Photobiont chlorococcoid. Spot tests: K-, C-, KC-, P-, UV-. Chemistry: without lichen substances.
Note: a poorly known species overgrowing mosses and plant debris on calcareous soil near or above treeline; apparently rare or not recognised, with several records in the Eastern Alps (Austria); to be looked for in the Italian Alps.
Growth form: Crustose
Substrata: soil, terricolous mosses, and plant debris