Life habit: lichenized (mutualistic with algal photobionts) thallus: squamulose (squamulous) | fruticose (fruticous), shrub-like, beard-like [th] upper surface: yellow(ish) green [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma: pedicellate, stipitate, pedunculate, stalked [ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) | yellow(ish) white (ivory, off-white, cream-coloured) [ascm] paraphyses/-oids: present asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: with amyloid tube (= Collema-, Micarea-, Porpidia-, Psora-types etc) ascospores: (median) 8.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present [co] length [µm]: (low) 5.0 (high) 14.0 secondary metabolites: present secondary metabolites: barbatic acid | rhodocladonic acid | usnic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: wood – dead, living