Life habit: lichenized (mutualistic with algal photobionts) thallus: filamentose (filamentous), pannose | fruticose (fruticous), shrub-like, beard-like [th] upper surface: green(ish) | brown(ish) black [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (median) 0.2 [th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane [th] morphol substructures (eg lobes, branches): filamentous-dichotomous | irregular ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (min) 0.25 ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex | distinctly convex [ascm, if apoth] disc, mazaedium: black(ish) [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) [ascm] paraphyses/-oids: present asci: prototunicate [asc] tholus: not thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: entirely amyloid (= Catillaria-, Teloschistes-types etc) ascospores: (median) 8.0 [asp] shape: ellipsoidal [asp] length [µm]: (low) 11.0 (high) 18.0 [asp] width [µm]: (low) 3.5 (high) 6.0 [asp] septa: absent – spore lumen unilocular, monolocular | present [asp] septa: transversely septate [asp] transversal septa: (low) 1.0 (high) 2.0 [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present conidia: ellipsoidal | bacilliform, bacillar [co] length [µm]: (low) 3.0 (high) 4.5 secondary metabolites: absent primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: cyanobacterial.

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