Global occurrence: Eurasia – Europe. Substrate: bryophytes – mosses, liverworts. Life habit: lichenized (mutualistic with algal photobionts). Thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed; [th marginal and upper surface] specific structures: absent. Ascomata: absent | present; ascoma: perithecial, perithecioid – hymenial; ascoma [mm]: (low) 0.1 (high) 0.19 (max) 0.22; ascoma: sessile, superficial; [ascm] paraphyses/-oids: present. Ascospores: (median) 8.0; [asp] shape: ellipsoidal | fusiform; [asp] length [µm]: (min) 18.0 (low) 24.0 (high) 33.0 (max) 38.0; [asp] width [µm]: (low) 3.5 (high) 5.0; [asp] septa: present, transversely septate; [asp] transversal septa: (median) 3.0; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent. Secondary metabolites: absent. Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid. Secondary photobionts (eg in cephalodia): absent.