Plants 0.5-1(-2.5) cm. Stems red or reddish brown. Leaves green to dark green, slightly contorted or undulate when dry, obovate or occasionally elliptic, 2.5-5 mm; base long-decurrent; margins reddish brown, multi-stratose with stereid band, toothed distally, teeth paired, long, sharp; apex acute, obtuse, or rounded-acute, cuspidate, cusp toothed; costa percurrent or excurrent, distal abaxial surface smooth, sometimes with few small teeth; medial laminal cells ± isodiametric or short-elongate, 25-40 µm, smaller towards margins, not in rows, not collenchymatous, blue postmortal color absent; marginal cells linear, in (3-)4-5 rows. Sexual condition synoicous. Seta single or multiple. Capsule pale yellow, 1.5-4 mm; operculum rostrate; exostome dark reddish brown, often purplish. Spores 16-24 µm.
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