Plants whitish green to grayish green, sometimes yellowish, lighter in color at leaf bases. Stems 1-4(-7) cm. Leaves spreading, usually falcate-secund, 4-8 × 0.2-0.8 mm, margins usually serrulate in distal half; costa covering 1/2-2/3 of leaf base, with longitudinal striations (ridges), appearing as rows of teeth at high magnifications, on abaxial surface, especially conspicuous in distal half, in cross section with adaxial hyalocysts, median chlorocysts and abaxial hyalocysts with scattered chlorocysts in some abaxial cells. Seta 8-20 mm. Capsule 1.5-3 mm; operculum 1-2 mm. Spores 22-35 µm.
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