Thallus yellowish-ochre or fawnish or dingy-white, verrucose-areolate to wrinkled-plicate-areolate, areolae convex, separated by shallow to deep cracks, often confluent, in mosaics, 0.5-2.5 cm diam., margins plicateradiating or delimited by a thin, black, wavy line, surface matt to minutely roughened or granular-scabrid to ± wrinkled-puckered, often minutely white-maculate, saxicolous. Fertile verrucae with 1-3 apothecia. Apothecia immersed, ostiole black, punctiform-depressed, minute, surrounded by a zone of pellucid tissue, often ± papillate. Asci 2-spored.Ascospores ellipsoid, contents granular to hyaline, 192-247(-280) × 47-87 µm, wall 8.7-17(-22) µm thick, thickest at apices. Chemistry: K+ yellow → red, C-, KC+ red, Pd+ orange. Norstictic ± connorstictic acids.