Primary squamules very small, 1-3 mm long and broad, often disappearing, crenate or incised-crenate, becoming irregularly subdigitate-laciniate, ascending, flat, in tufts or sparse, upper surface glaucescent or pale olivaceous-glaucescent, lower surface white, esorediate. Podetia growing from upper surface of primary squamules, 20-90 mm tall, 2-3 mm diam., cups rare, abruptly flaring, 3-5 mm wide, ± oblique, almost lacking on one edge, rarely quite regular, interior open, margins entire or crenate or radiate-proliferating, sometimes repeatedly proliferous in several tiers, apices of proliferations ± irregularly subcorymbose or cymose-lacerate, mainly rarely scyphiferous, in tufted clusters of branchlets, erect or ascending, esorediate. Cortex smooth, without squamules to ± squamulose, whitish or ashy-brownish variegated, opaque, not pellucid, decorticate areas semipellucid. Apothecia small, to 0.3 mm diam., at tips of branchlets or clustered in axils, brown or red-brown. Chemistry: Cortex K+ yellow, KC+, Pd+ yellow. Thamnolic acid.