Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified thallus: compartimentized – areolate, squamulate [th] upper surface: grey(ish) | white(ish) | brown(ish) grey | white(ish) brown (beige) | grey(ish) white | brown(ish) white [th upper surface]: epruinose [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.2 (high) 0.8 (max) 1.5 [th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | verrucose, warted | subsquamulose [th] medulla amyloidity: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 0.2 (high) 0.5 (max) 1.5 ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial [ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded | subconvex, slightly convex | convex [ascm, if apoth] disc, mazaedium: black(ish) | brown(ish) black [ascm, if apoth] disc, mazaedium: epruinose [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) [ascm, if apoth] margin excipular photobionts: absent [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless [ascm] paraphyses/-oids: present [ascm] paraphyses/-oid cells width [µm]: (low) 1.5 (high) 1.7 [ascm] paraphyses/-oid apical cells width [µm]: (low) 3.0 (high) 3.5 (max) 4.0 [ascm] epihymenium, epithecium: black(ish) green | brown(ish) green (olivaceous, olive green) | green(ish) brown (olive brown) asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) ascospores: (median) 8.0 [asp] shape: ellipsoidal | elongate-fusiform, ellipsoidal-fusiform [asp] length [µm]: (min) 7.0 (low) 10.0 (high) 12.0 (max) 15.0 [asp] width [µm]: (min) 3.5 (low) 4.0 (high) 5.5 (max) 7.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present conidia: filiform, vermiform [co] length [µm]: (low) 13.0 (high) 23.0 secondary metabolites: present secondary metabolites: connorstictic acid | norstictic acid | stictic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: bryophytes – mosses, liverworts | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified.