Life habit: lichenized, not lichenicolous Thallus: rimose to granular or areolate areoles: up to 0.8 (-1.2) mm diam., adjacent, angular, plane to moderately convex upper surface: yellowish to reddish brown, epruinose, dull, smooth, lacking pores and pseudocyphellae upper cortex: up to 40 µm high, lacking calcium oxalate margin: concolorous with upper surface Apothecia: up to 0.7 mm diam., remaining ± plane and marginate or plane and marginate when young, later convex and immarginate, epruinose or faintly pruinose; exciple: greenish brown to dark green in the rim, pale brown to reddish brown in inner part; hypothecium: dark reddish brown; epithecium: bright to dark green (K-, N+ violet) asci: clavate, 8-spored ascospores: ellipsoid, 1-septate, 10-15.5 x 4.5-6 µm Pycnidia: laminal, immersed or partly protruding conidia: filiform Spot tests: all negative Secondary metabolites: none detected. Host: none Substrate and ecology: on sandstone in pinyon-juniper woodland at 1890 m World distribution: widely distributed, but scattered, in the Northern Hemisphere Sonoran distribution: northern Arizona (single locality).