Thallus dingy whitish-cream or pale fawnish, 0.2 mm thick, ± areolate-cracked, areolate convex, verrucose or plicate-rugose, forming irregular or spreading patches, 1-3 cm diam. Apothecia scattered, solitary, sessile, constricted at base, 0.2-0.8 mm diam., plane, rarely subconvex, disc black, matt, epruinose, margins narrow, persistent, entire, pale, translucent, pinkish-white when wet or pale red-brown, concolorous with thallus when dry. Epithecium greenish-black, 5-9 µm thick. Hymenium colourless, 40-60 µm tall. Hypothecium to 30 µm thick, pale yellow-brown. Ascospores oval-ellipsoid, straight, apices rounded, 10.2-13.6 × 5.1-6.8 µm.

Thallus whitish, creamish to pale brownish, areolate-cracked, areolae ± subconvex, ± scabrid-roughened, with a thin, black, marginal prothallus. Apothecia scattered, 0.2-0.8 mm diam., sessile, plane to convex, matt, or shining, black, conspicuous, often ± confluent, margins thin, raised, black or pale flesh-coloured, entire to ± crenulate. Epithecium green-black, 8-15 µm thick. Hymenium colourless 21-30 µm tall. Paraphyses dense, straight, apices capitate, greenish-black, 5-6 µm thick. Hypothecium 80-120(-150) µm thick, pale yellowish-brown or olive. Ascospores ellipsoid, 8.3-12.0 × 5.2-6.8 µm.

Thallus creamish-white, 0.7 mm thick, continuous, smooth or very finely and minutely areolate-cracked, in round or irregular patches, delimited at margins by a thin black line of prothallus. Apothecia scattered, sessile, constricted at base, solitary, rounded, 0.2-0.5(-0.8) mm diam., disc black or blue-black, grey-pruinose at first, then epruinose, margins at first raised, entire, black, excluded at maturity. Epithecium granular, greenish-black or greenish-grey, 8-13 µm thick. Hymenium colourless or pale straw-coloured, to 90 µm tall. Hypothecium colourless, opaque, Ascospores oblong-ellipsoid, 8.3-12.0 × 5-6.8 µm.

Thallus in rosettes or patches 15-40 mm diam., grey-white or creamish, areolate-cracked to chinky-granular, areolae angular, convex, surface wrinkled plicate or roughened-granular or continuous, margins subplacodioid, delimited by a thin, black prothallus. Apothecia ± central, rounded or irregular, contorted by mutual pressure, 0.4-0.8 mm diam., dark brown to black, adnate, plane to convex, margins entire, pale brown, waxy, excluded in old fruits. Epithecium green-black, pigment in tips of capitate paraphyses. Hymenium colourless, 40-45 µm tall. Asci clavate, 45 × 13.6 µm. Ascospores oval-ellipsoid, 10.2-12.0 × 6.8-8.3 µm.