Thallus fruticose, erect to subpendulous, 4-5 cm tall, somewhat caespitose, green or yellowish-green, sometimes with black bands or ± completely superficially blackened, soft and flaccid when wet, rather glossy, smooth, branching rather irregular, corticolous. Branches 1-1.5 mm wide at base, tapering towards apices, terete or irregularly subterete, to angular-compressed, slightly faveolate- impressed in parts, with long fibrils or secondary branchlets ± parallel with primary branches, very few lateral branchlets, spinules or fibrils, pseudocyphellae sparse to frequent, flat, becoming subconvex and sorediate, eroded- pulverulent, without papillae, rarely with spinules or pseudoisidia. Soredia farinose, pale yellowish-green or blackened, often with pseudoisidia, rarely completely investing branches in spreading, convex soralia. Apothecia not seen. Chemistry: Psoromic, conpsoromic and usnic acids.