Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2002. Lichen Flora of the Greater Sonoran Desert Region. Vol 1.
Thallus: crustose, thin and indistinct upper surface: greenish, subgelatinous when wet Perithecia: almost globose, up to 0.45 mm diam., fully immersed with only the ostioles showing as black dots; exciple: pale except for the apex, laterally 20-30 µm thick; periphyses: lacking; paraphyses: simple, few to many, c. 1.5 µm thick asci: subcylindrical, 70-80 x 16-20 µm, 8-spored ascospores: simple, (sub-) biseriate, ellipsoid, c. 16-20 x 7-8 µm Spot tests: all negative Secondary metabolites: none detected. Substrate and ecology: on argillaceous or sandy soil in open habitats World distribution: hitherto only known from France Sonoran distribution: the Santa Monica Mountains in southern California.