Global occurrence: Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Eurasia – Asia Tropical | Arctic. Substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts. Life habit: lichenized (mutualistic with algal photobionts). Thallus: crustose (crustaceous) – episubstratal – unspecified; [th] upper surface: grey(ish) | red(dish) grey; [th marginal and upper surface] specific structures: absent; [th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted. Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenia; ascoma [mm]: (min) 0.5 (low) 0.7 (high) 2.0; ascoma: sessile, superficial; [ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded | subconvex, slightly convex; [ascm, if apoth] disc, mazaedium: brown(ish) black; [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) black; [ascm] paraphyses/-oids: present; [ascm] paraphyses/-oid cells width [µm]: (median) 1.0; [ascm] paraphyses/-oid apical cells width [µm]: (median) 4.5; [ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (pale: orange brown). Asci: unitunicate; [asc] tholus: thickened; [asc] tholus amyloidity (iodine reaction): present. Ascospores: (median) 8.0; [asp] length [µm]: (low) 16.0 (high) 24.0; [asp] width [µm]: (low) 5.0 (high) 7.0; [asp] septa: present, transversely septate; [asp] transversal septa: (median) 3.0; [asp] pigmentation: hyaline, colourless. Conidiomata: absent | present. Conidia: bacilliform, bacillary; [co] length [µm]: (low) 3.5 (high) 4.0. Secondary metabolites: absent. Primary photobiont: present, chlorophytaceous – trentepohliaceous, trentepohlioid. Secondary photobionts (eg in cephalodia): absent.