1. Hyophila involuta (Hook.) Jeag. 卷叶湿地藓 juan-ye shi-di xian
Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1871–72: 354 (Gen. Sp. Musc. 1: 202). 1873. Gymnostomum involutum Hook., Musci Exot. 2: 154. 1819. Type. Nepal: Gardner s.n.
Hyophila attenuata Broth., Symb. Sin. 4: 37. 1929. Type. China: Yunnan, Nujiang (Lu-jiang) valley, Handel-Mazzetti 9839 (holotype H).
Hyophila micholitzii Broth., Öfvers. Forh. Finska Vetensk.-Soc. 35: 39. 1893.
Hyophila moutieri Par. & Broth. in Paris, Rev. Bryol. 28: 38. 1901. Type. China: Hainan, 30 VIII 1900, Moutier s.n.
Hyophila sinensis Dix., Sci. Rep. Natl. Tsing Hua Univ., ser. B, Biol. Sci. 2: 117. 1936, nom. nud.
Hyophila tortula (Schwaegr.) Hampe, Bot. Zeitung (Berlin) 4: 267. 1846.
Plants small, to 14 mm high, yellowish green, in dense tufts. Stems erect, simple or branched; central strand absent. Leaves involute to subtubulose when dry, erect- to wide-spreading when moist, oblong-ovate to oblong-spatulate, 1.7–3.0 mm × 0.6–0.8 mm, broadly acute to obtusely apiculate, slightly reflexed at the base; margins serrate in the upper half; costa stout, percurrent to shortly excurrent; upper leaf cells small, subquadrate to rounded hexagonal, 5–8 µm × 5–7 µm, somewhat thick-walled, not papillose, slightly mammillose on the ventral surface; basal cells short-rectangular, 28–62 µm × 10–18 µm, pale or hyaline. Gemmae present. Dioicous. Setae ca. 10–15 mm long, yellowish green to reddish brown, not twisted; capsules erect, cylindrical; opercula conic-rostrate with a long beak; annuli present. Spores 9–11 µm in diameter, nearly smooth.