Thallus crustose, granular, warted or lumpy, 0.1-0.15 mm thick, continuous or ± areolate-cracked, corticolous, rarely saxicolous. Upper surface whitish-grey or creamish or yellowish-cream. Cephalodia plane to subglobose, pale pinkish or creamish-pink, best seen when wet. Apothecia immersed, singly in small, subglobose warts scattered on the upper surface, 0.5-1.4 mm diam., with a small, round, apical pore and a pale pinkish margin. Ascospores 8 per ascus, simple, ellipsoid, 52-67 × 26-31 µm, wall to 4 µm thick. Chemistry: K+ yellow → red, C-, KC+, red, Pd+ orange. Stictic, norstictic and salazinic acids.