Thallus squamulose to small-foliose, squamules 1.5-2 mm diam., convex, orbicular to spreading, imbricate, ascending lobate, in patches to 8 cm diam., corticolous, lignicolous or terricolous. Upper surface glaucous-green to pale or whitish, smooth, matt, pruinose, occasionally sorediate, soralia marginal, labriform, soredia pale greenish, farinose. Lower cortex orange-brown or yellowish. Apothecia glaucous-brown to purplish-black, confluent, convex, immarginate. Ascospores ellipsoid, 11-14 × 5-7 µm. Chemistry: Cortex C+ pinkish-red. Gyrophoric acid and 4 unidentified pigments.