Thallus crustose, leprose, with powdery to membranous appearance; greenish grey to grey-brown with orange tinge; thin, c. 0.1 mm, tightly attached to the substrate at centre, sometimes loose at margins; shape irregular, continuous, up to several cm in diam.; margin delimited, lobes present, c. 1 mm wide and long, with raised marginal rim; cortex absent; medulla present, thin, white; hypothallus grey, visible below upturned marginal lobes; areoles absent; squamules absent; soredia cover all thallus, surface smoother towards the margin, medium sized, c. 0.1 mm in diam.; surface smooth; projecting hyphae absent; isidia-like structures absent. Photobiont green, coccoid, c. 7-10 µm in diam.
