Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified thallus: continuous, diffuse, effuse [th] upper surface: grey(ish) brown [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: perithecial, perithecioid – hymenial ascoma [mm]: (min) 0.5 ascoma: sessile, superficial [ascm] paraphyses/-oids: absent asci: fissitunicate – verrucarialean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): absent ascospores: (median) 2.0 [asp] length [µm]: (low) 32.0 (high) 48.0 [asp] width [µm]: (low) 12.0 (high) 18.0 [asp] septa: present [asp] septa: muriformly septate – muriform, submuriform [asp] pigmentation: dark brown secondary metabolites: absent primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: rock, stones, pebbles – unspecified.