Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified thallus: continuous, diffuse, effuse | cracked, fissured, fractured, rimose [th] upper surface: black(ish) | yellow(ish) (if dull: buff) | red(dish) yellow (orange, orange yellow) | white(ish) brown (beige) | yellow(ish) red (orange red) [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (median) 0.5 ascoma: immersed, innate [ascm, if apoth] disc, mazaedium: concave [ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) yellow (orange, orange yellow) [ascm, if apoth] disc, mazaedium: epruinose [ascm] paraphyses/-oids: present asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): absent [asp] length [µm]: (low) 13.0 (high) 24.0 [asp] width [µm]: (low) 6.0 (high) 11.0 [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.