Thallus crustose, 0.1 mm thick, granular-furfuraceous to 4 cm diam., in a diffract-areolate crust, areolae to 1 mm diam., separated by deep cracks, or sometimes reduced to a few scattered granules or verrucae, greyish-yellow or yellowish-white, always with some distinct spotting of yellow or orange, K+ purple, corticolous. Apothecia scattered or crowded, sessile, rounded to irregular-contorted through mutual pressure, disc plane to subconvex to subglobose, 0.2-1.2 mm diam., orange, matt, epruinose, margins thick, entire to minutely crenulate, paler than disc, occluded with age. Ascospores biseriate, ellipsoid to oblong ellipsoid, apices slightly pointed, straight, 2-locular, (12-)15.3-18.7(-20) × (5-)7-8.3 µm, septum ¼ to ⅓ length of spore.