Thallus granular-squamulose, often rather glossy, more rarely finely granular, greenish grey, forming a crust or restricted to small patches. Photobiont Stichococcus. Anamorph: no information available. Teleomorph: ascomata stalked mazaediate apothecia, 1-1.9 mm tall, 12-38 times as long as the width of the stalk. Stalk 50-100 µm diam., the upper part often with a faint whitish pruina, the lower part black. Head obconical- to lens-shaped. True exciple well-developed, sometimes with a faint whitish pruina below. Asci shortly cylindrical or irregular, formed in chains. Ascospores uniseriately or partially biseriately arranged, 3-4 μm diam., globose, aseptate, golden brown, smooth or with inconspicuous irregular, narrow cracks. Chemistry: lichen products not detected by TLC.