Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2004. Lichen Flora of the Greater Sonoran Desert Region. Vol 2.
Life habit: lichenicolous, commensalistic or weakly parasitic, non-lichenized; one species saprophytic on wood, perhaps algicolous Ascomata: apothecial, aggregated or dispersed, immersed to erumpent, +black, ±distinctly marginate, sessile, +round, 50-250(-350) µm in diam. margin: poorly developed, not distinctly covering the disc, without hairs disc: black, exposed from the beginning exciple: dark (violet) brown, K+ violet brown, basally paler epihymenium: dark violet brown, pigment coarsely granular hymenium: hyaline or pale brown, KI- (or pale bluish) paraphyses: simple or sparingly branched, septate, apically not or slightly swollen subhymenium: hyaline; hypothecium: indistinct asci: clavate to subcylindrical, thin-walled, with a single functional wall layer, wall laterally 1-1.5 µm thick, apically thickened, up to 3 µm, KI- or KI+ pale blue, 8-spored ascospores: hyaline, simple, smooth, ellipsoid to ovoid, straight, without a distinct perispore, with ±obtuse ends Conidiomata: unknown Geography: cosmopolitan Substrate: thallus of lichens, and decorticated wood.