2. Leskea polycarpa Hedw. 薄罗藓 bo-luo xian
Sp. Musc. Frond. 225. 1801. Syntypes. Europe: Germany and Austria.
Plants green to dark green, in dense or loose tufts. Stems creeping, subpinnately branched; paraphyllia lanceolate to widely lanceolate. Leaves tightly appressed on stems when dry, ovate, 1.0–1.6 mm long, asymmetric, obviously secund, more or less sickle-shaped, curved, biplicate below; margins plane, entire, sometimes serrulate above, recurved at base; costa single, thick, strong, ending below apex; leaf cells round-polygonal to widely elliptic, 7–10 µm wide, thin-walled, with low papilla on both sides of leaf surfaces; basal cells near margins flatly rectangular, 10–12 µm wide, thin-walled. Monoicous. Setae erect, ca. 1 cm long; capsules erect, cylindrical; peristome double; exostome teeth transversely striolate at base; endostome segments with low basal membrane; cilia absent; opercula conic. Spores 9–13 µm in diameter, faintly papillose.