Plants small, in thin mats or patches, yellow-to red-green, red-brown, green, or olive green. Stems irregularly branched, ; paraphyllia absent; rhizoids in clusters arising from base of leaves. Stem and branch leaves differentiated. Stem leaves catenulate or not, appressed to erect when dry, erect-spreading when moist, ovate to lanceolate, not to sometimes 2-plicate; margins plane or recurved, entire to serrulate distally; apex abruptly to gradually acuminate, hair-point absent; costa single, double, 2-fid, or rarely ecostate, , short to percurrent, not sinuate, ; alar cells not well differentiated, quadrate to short-rectangular; proximal laminal cells 1-2:1, walls not or obscurely pitted; medial cells isodiametric, <2-3:1>, smooth, walls firm to incrassate. Branch leaves more ovate, smaller; apex often especially recurved or falcate; costa usually weaker; medial laminal cells usually shorter. Specialized asexual reproduction absent. Sexual condition dioicous; perichaetial leaves pale translucent, appressed to rarely recurved, longer, apex more acuminate. Seta 0.1-0.3 cm. Capsule erect or inclined, subcylindric to cylindric, curved-asymmetric or sometimes symmetric; annulus present; operculum conic, short-rostrate; peristome well developed; exostome teeth lanceolate or linear-lanceolate, finely horizontally striate; endostome basal membrane moderately high, segments slender, lanceolate to filiform, cilia present, usually well developed. Spores 8-18 µm, finely papillose.
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