Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified thallus: continuous, diffuse, effuse | granular, granulose, granulate [th] upper surface: grey(ish) | yellow(ish) (if dull: buff) [th marginal and upper surface] specific structures: present [th margin] cilia, cilioid structures: absent [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: present [th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma: sessile, superficial [ascm, if apoth] disc, mazaedium: convex [ascm, if apoth] disc, mazaedium: black(ish) [ascm, if apoth] disc, mazaedium: epruinose [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless | yellow(ish) brown [ascm] paraphyses/-oids: present [ascm] epihymenium, epithecium: hyaline, colourless 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) | entirely amyloid (= Catillaria-, Teloschistes-types etc) [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless secondary metabolites: present secondary metabolites: atranorin | planaic acid | usnic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified.