1. Levierella fabroniacea C. Müll. 白翼藓 bai-yi xian
Boll. Soc. Bot. Ital. 1897: 73. 1897. Type. India: 13 XII 1895, Gollan s.n.
Plants slender, green or yellowish green, not glossy or weakly glossy, in loosely tufted patches. Stems prostrate, irregularly branched; main branches slender, erect or ascending, secondary branches erect, julaceous, secund at the apex when dry. Leaves imbricate, concave, ovate or ovate-lanceolate, shortly acuminate at the apex, 1.3 mm × 0.6 mm; margins plane, serrulate near the apex; costa single, ending about midleaf; leaf cells oblong-elliptic or narrowly rhomboidal, 24–38 µm × 4–8 µm, basal cells shorter and broader; alar cells quadrate in numerous rows. Autoicous. Sporophytes on main branches. Perichaetial leaves lanceolate, long acuminate toward the apex. Setae erect, 0.8 mm long, yellowish brown; capsules erect, shortly cylindrical; opercula conic; annuli differentiated; peristome appearing single, endostome lacking; exostome teeth lanceolate, not cross-striolate. Spores spherical, small.