Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma: sessile, superficial [ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | convex [ascm, if apoth] disc, mazaedium: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) | yellow(ish) red (orange red) [ascm] epihymenium, epithecium: hyaline, colourless | blue(ish) brown (violet brown) 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 [asp] length [µm]: (low) 13.0 (high) 26.0 [asp] width [µm]: (low) 2.5 (high) 3.5 [asp] septa: present [asp] septa: transversely septate [asp] transversal septa: (median) 3.0 (max) 7.0 [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present conidia: [cur] – curved, unciform, falcate, sickle-shaped [co] length [µm]: (low) 30.0 (high) 55.0 primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.