Plants dark olive green or rarely yellow-green. Stems tightly appressed to substrate, branches appressed. Stem leaves ± catenulate when dry, not homomallous, ovate, abruptly narrowed to apex, concave, not plicate, 0.4-1.2 mm, 1.5-2:1; base flaring; margins plane or rarely recurved proximally, entire; apex short-acuminate, sometimes falcate; costa usually double, or single, 2-fid, or sometimes ecostate, weak, not reaching mid leaf; medial laminal cells 1-2(-3):1, walls firm, not incrassate. Branch leaves ovate to suborbicular, 0.4-0.8 mm; laminal cell walls moderately incrassate. Stoloniferous leaves broadly ovate or suborbicular. Seta red-brown, 0.1-0.2 cm. Capsule inclined, subcylindric, asymmetric, 1.5-2.5(-3) mm. Spores 10-18 µm.