Life habit: lichenized (mutualistic with algal photobionts) thallus: foliose (foliaceous), leaf-like thallus: continuous, diffuse, effuse [th] upper surface: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) brown [th upper surface]: epruinose | pruinose [th upper surface] pruina: scarce, sparse, fine | dense [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 3.0 (high) 10.0 [th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [th lower surface] specific structures: absent | present [th lower surface] rhizines, rhizoid structures: absent [th] medulla amyloidity: absent ascomata: absent | present ascoma: perithecial, perithecioid – hymenial ascoma [mm]: (low) 0.2 (high) 0.25 ascoma: immersed, innate [ascm] paraphyses/-oids: absent asci: fissitunicate – verrucarialean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): absent ascospores: (median) 8.0 [asp] shape: broadly ellipsoidal | ellipsoidal [asp] length [µm]: (min) 8.0 (low) 9.0 (high) 15.0 (max) 16.0 [asp] width [µm]: (min) 4.5 (low) 6.0 (high) 7.0 (max) 9.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: absent 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.