Primary squamules persistent or often sparse and disappearing, small, upper surface whitish-glaucescent to blackening, lower surface white. Podetia growing from upper surface of primary squamues, tall and slender, 30-100 mm tall and to 3.5 mm diam., cylindrical, without cups, or with antler-like and irregular proliferations, or with irregular cups formed by circles of long proliferations, rarely corticate at base (1-2 mm), otherwise entirely decorticate, farinose-sorediate, white to ashy or pale glaucescent, or brownish. Apothecia rare, sessile, on margins of cups or on marginal stalks or on tips of podetia, dark brown, or reddish-brown. Chemistry: Cortex K-, KC-, Pd+ red. Fumarprotocetraric acid and ± atranorin.