Life habit: cyanobacteriicolous (parasitic on cyanobacteria) thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial | perithecial, perithecioid – hymenial ascoma [mm]: (low) 0.15 (high) 0.2 [ascm, if apoth] disc, mazaedium: yellow(ish) (if dull: buff) [ascm, if apoth] disc, mazaedium: pruinose [ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine | dense [ascm] paraphyses/-oids: present asci: unitunicate [asc] tholus: not thickened [asc] tholus amyloidity (iodine reaction): absent | present ascospores: (low) 50.0 (high) 300.0 [asp] shape: globose, spherical [asp] length [µm]: (low) 4.5 (high) 6.0 [asp] width [µm]: (low) 4.5 (high) 6.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present [co] length [µm]: (low) 4.0 (high) 6.0 secondary metabolites: present secondary metabolites: pulvinic acid primary photobiont: absent | present secondary photobionts (eg in cephalodia): absent primary photobiont: cyanobacterial.

substrate: rock – calcareous, calciferous, basic.