1. Miyabea fruticella(Mitt.) Broth. 瓦叶藓 wa-ye xian
Nat. Pflanzenfam. I(3): 984. 1907. Lasia fruticella Mitt., Trans. Linn. Soc. London, Bot. 3: 173. 1891. Type. Japan: Tochigi Pref., Bisset s.n.
Plants slender, yellowish green or yellowish brown, not glossy, forming loosely tufted cushions. Stems creeping, pendulous, up to more than 5 cm long, regularly or irregularly pinnately branched, the apices of branches often secund to one side; central strand undifferentiated. Stem leaves and branch leaves nearly isomorphic; stem leaves imbricate when dry, erect-spreading when moist, widely ovate, with acute apices, ca. 1.0 mm × 0.5–0.8 mm; leaf margins nearly entire, only remotely serrulate; costa single, up to the middle of leaves; leaf cells quadrate, rhomboidal or hexagonal, ca. 4–10 µm in diameter, equally thick-walled; basal cells nearly hexagonal, thick-walled; branch leaves slightly smaller, ovate. Dioicous. Perichaetial leaves narrowly ovate to lanceolate, sheathing at base, up to 1.5 mm long; costa reaching to the apex. Setae smooth, ca. 1 mm long; capsules ovoid, reddish brown, with a short neck; exothecial cells rhomboidal to hexagonal; exostome teeth yellowish brown, lanceolate, with transversal lamellae; endostome absent; opercula sharply beaked. Calyptrae cucullate, smooth. Spores variable in size, 25–40 µm in diameter, minutely papillose.