Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified thallus: continuous, diffuse, effuse [th] upper surface: green(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: perithecial, perithecioid – hymenial ascoma [mm]: (low) 0.4 (high) 0.6 ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) black [ascm] paraphyses/-oids: present asci: fissitunicate – bitunicate [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) ascospores: (median) 8.0 [asp] shape: ellipsoidal | elongate-fusiform, ellipsoidal-fusiform | fusiform [asp] length [µm]: (min) 38.0 (low) 40.0 (high) 50.0 [asp] width [µm]: (low) 10.0 (high) 15.0 [asp] septa: present [asp] septa: muriformly septate – muriform, submuriform [asp] transversal septa: (low) 11.0 (high) 12.0 [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: absent primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified.