Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2002. Lichen Flora of the Greater Sonoran Desert Region. Vol 1.
Thallus: continuous, immersed in the substratum upper surface: whitish, smooth photobiont: a trentepohlioid alga Perithecia: hemispherical, c. 0.2 mm diam., immersed in bark, below black, often fused clypeus of 0.4-0.7 mm diam. perithecial wall: pale, continuous below the hamathecium, ostiole white hamathecium: branched pseudoparaphyses, anastomosing above the asci; filaments: c. 1 µm wide, not inspersed with oil droplets asci: clavate, c. 70-90 x 13-16 µm, with 8, irregularly arranged ascospores, tip with a conspicuous tholus ascospores: hyaline, narrowly ovate, 3-septate (starting with a median euseptum), 15-17 x 6-7 µm; wall: not ornamented, without a gelatinous sheath Pycnidia: not observed Spot tests: all negative, UV- Secondary metabolites: none detected. Substrate and ecology: on bark of various woody plants World distribution: possibly nearly endemic; so far known only from the USA (Florida and Georgia) and Mexico (Baja California Sur) Sonoran distribution: . only recorded twice from Baja California Sur. Notes: It is a rare species, which only recently has been described.