Primary squamules persistent or disappearing, to 8 × 4 mm, irregularly cuneate or lobed, lobes crenate or slightly incised, flat or convolute, often ascending, rarely caespitose, upper surface olive-green or reddish-or brownish-glaucescent or slaty green, lower surface white, grey-black at base, esorediate. Podetia growing from upper surface or margins of primary squamules to 5 cm tall and 3 mm diam., flaring gradually at apices into short, broad cups, to 9 mm wide, shallow and with small, pointed or cup-bearing proliferations growing from centres of closed cups, margins entire or with apothecia, sometimes with several tiers of cups arising from centre of previous tier. Cortex continuous or areolate, areolae smooth, subcontiguous, narrow interspaces white, dull whitish, green to olivaceous or ashy or blue-green or brownish, esorediate, ± squamulose. Apothecia sessile or shortly stalked, less than 3 mm diam., brown or red-brown, rounded, wider than supporting podetium. Chemistry: Cortex K-, KC-, Pd+ red. Fumarprotocetraric acid.