Autoicous. Plants yellowish green to green, forming smooth mats. Stems 2-6 cm long, irregularly branched, complanate-foliate to terete-foliate, often with flagelliform tips; central strand poorly developed. Leaves ovate, asymmetrical to almost symmetrical, 1.2-2.0 mm long, 0.5-1.2 mm wide, ± concave, smooth, acute to broadly acuminate, decurrent; margin entire or with a few minute teeth at the apex, plane or narrowly revolute below its widest part. Mid-laminal cells linear, 90-175 x 9-15 µm, thin-to firm-walled, not pitted; alar cells oval to rectangular, inflated, forming long decurrencies 3-5 rows wide, often somewhat auriculate. Capsule inclined to horizontal, slightly sulcate when dry. Spores spherical, 8-14 µm diam., minutely papillose.
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