Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2002. Lichen Flora of the Greater Sonoran Desert Region. Vol 1.
Thallus: crustose, areolate areoles: smooth to deeply chinky surface: coppery brown, smooth prothallus: absent Perithecia: entirely immersed in thallus with only flattened mouth projecting involucrellum: pale-brown; exciple: pale-brown, dark above and merging with the involucrellum for about 1/3 of the upper part; hymenial gelatin: blue then violet with I asci: saccate, 2-spored ascospores: ellipsoid or narrowly ellipsoid, finally dark brown, muriform, many celled, 38-50 x 14-21 µm Spot tests: all negative Secondary metabolites: none detected. Substrate and ecology: on granites and gneiss not far from water World distribution: North America: Alaska to Arizona in the mountains Sonoran distribution: only known from eastern Arizona.