Life habit: lichenized (mutualistic with algal photobionts) thallus: squamulose (squamulous) [th] upper surface: white(ish) [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) upper surface: bullate ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (median) 2.0 ascoma: sessile, superficial [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless [ascm] paraphyses/-oids: present [ascm] epihymenium, epithecium: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) ascospores: (median) 8.0 [asp] shape: elongate-fusiform, ellipsoidal-fusiform | bifusiform | filiform, vermiform [asp] length [µm]: (low) 23.5 (high) 33.0 [asp] width [µm]: (low) 3.0 (high) 4.0 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 3.0 [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: absent | present secondary metabolites: unknown/unidentified (tri-)terpenoid(s), (tri-)terpene(s) primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

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