Thallus pale greenish or yellowish-grey, rather thick, ± prominently verrucose-papillate, papillae 0.2 mm diam., and 0.4 mm tall, often over-growing bryophytes on bark, very irregular in shape, without soredia or isidia. Apothecia scattered, 0.5-2.7(-3.1) mm diam., disc plane to convex, orange to reddish-brown or dark reddish-brown, glossy, epruinose, margins ± prominent, thin, black or dark brown, glossy, entire. Epithecium olive-brown or dark brown, 7-14 µm thick. Hymenium 130-160 µm tall, I+ blue. Ascospores 1 per ascus, straight, 1-septate, 60-120 × 20-40 µm. Chemistry: KC+ yellow, Pd-. Usnic acid and zeorin.