Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2004. Lichen Flora of the Greater Sonoran Desert Region. Vol 2.

Thallus: crustose, continuous, rather thick surface: gray, coarsely granular or warted Apothecia: single or in groups, 0.4-1.4 mm in diam., at first almost flat but soon becoming convex and ±globose disc: pale yellow, pale orange, pale pink or almost ivory-white, epruinose margin: concolorous with disc, at first distinct, level with disc, soon excluded and reflexed exciple: laterally 55-90 µm wide, colorless or pale yellow (K+ intensifying) in upper part, fading below hymenium: colorless except for diffuse spots and streaks of pale yellow pigment (K+ intensifying), 60-90 µm tall paraphyses: 1.5-2 µm wide in mid-hymenium; apices: ±clavate or not at all thickened, 1.5-5 µm wide hypothecium: colorless or pale yellow (K+ intensifying) asci: clavate, Biatora-type, 8-spored ascospores: hyaline, 3-septate, fusiform, straight, 12-22 x 4-7 µm Spot tests: all negative Secondary metabolites: none detected. Habitat and ecology: on decaying bryophytes at c. 3000 m World distribution: boreal regions of North America and Europe Sonoran distribution: known from a single locality on Greens Peak in eastern Arizona.