Thallus epiphloeodal, in broad bands, or patches, 2-8(-10) cm diam., continuous, smooth or slightly roughened, glossy to ± dull, minutely and irregularly cracked or ± minutely areolate-cracked, often with minute white dots (×10 lens), yellow-brown or pale olivaceous-yellowish sometimes ± eroded in parts, delimited at margins by an irregular, black line. Perithecia scattered, emergent, solitary to 3-5-confluent, 0.5-1.5 mm diam., flattened, applanate to subglobose, rounded, black, shining, often covered with a layer of cortical cells at first, eroding with age leaving shallow to deep pits. Ostiole central, punctate or gaping, 0.05 mm diam., whitish-grey to brownish. Pycnidia few to many, minute, black, punctate. Ascospores ovoid-oblong with pointed or rounded ends, 4-locular 17-20(-24) × 7-10 µm. Chemistry: UV+ faint blue (2 spots).