Plants medium-sized to large, in thick mats, green, yellow-green, orange-green, or rarely black-green. Stems with branches robust, julaceous, apices curving up; central strand present; paraphyllia many, filamentous to foliose, branched. Leaves appressed to somewhat erect when dry, erect-spreading when moist, glossy or dull, ovate to ovate-lanceolate, asymmetric, usually falcate to falcate-secund, 0.8-2(-2.5) mm; margins strongly and narrowly recurved to near acumen; apex abruptly acute to short-or rarely long-acuminate, hair-point absent; costa subpercurrent to percurrent, orange-green, sometimes sinuate; alar cells transversely elongate to quadrate, region large; medial laminal cells , elliptic or isodiametric, to 25 µm, 1-2(-3):1, opaque or sometimes pellucid, prorate to near base, , walls firm to strongly incrassate, not pitted; ; juxtacostal cells somewhat shorter than more distal cells, walls not pitted. Capsule erect to suberect, symmetric, 1-2.5 mm; endostome basal membrane 1/4-1/3 exostome length, segments shorter than exostome, cilia 1 or 2. Spores 10-20 µm.