Plants (1-)2-4(-7) cm. Stems red, brown, or sometimes yellowish brown. Leaves green to dark green, contorted and twisted when dry, narrowly elliptic, ovate-elliptic, or ovate-oblong, 3-4(-6.5) mm; base long-decurrent; margins reddish brown, 2-stratose, toothed to below mid leaf, teeth paired or sometimes single near apex, long, sharp, occasionally short and blunt; apex acute, rounded-acute, or obtuse, apiculate or cuspidate, cusp sometimes toothed; costa percurrent or excurrent, distal abaxial surface toothed; medial laminal cells ± isodiametric or short-elongate, (17-)22-40 µm, smaller towards margins, often in longitudinal rows, not in diagonal rows, usually strongly collenchymatous, blue postmortal color absent; marginal cells linear, in 2 or 3 rows. Sexual condition dioicous. Seta single. Capsule yellowish or yellow-brown, 2.5-6(-7) mm; operculum short-rostrate; exostome greenish yellow. Spores 19-30 µm.
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