6. Bryoerythrophyllum recurvirostrum (Hedw.) P.C. Chen 红叶藓 hong-ye xian
Hedwigia 80: 255. 1941. Weissia recurvirostra Hedw., Sp. Musc. Frond. 71. 1801. Type. Europe.
Didymodon rubellus Bruch & Schimp. in B.S.G., Bryol. Eur. 2: 137., pl. 185 (fasc. 29–30. Monogr. 3.1). 1846, hom. illeg.
Didymodon submicrostomus Dixon, Rev. Bryol. Lichénol. 7: 106. 1934.
Didymodon tenii (Herzog) Broth., Nat. Pflanzenfam. ed. 2, 11: 528. 1925. Erythrophyllum tenii Herzog, Hedwigia 65: 153. 1925.
Trichostomum subrubellum Müll. Hal., Nuovo Giorn. Bot. Ital., n. ser. 5: 176. 1898. Type. China: Shaanxi (Schen-si), in monte Thaepei-san, Aug. 1896, Giraldi s.n. (isotype H).
Plants small to medium-sized, 0.5–2.0(–3.0) cm high, dark green, yellowish green to brown, or reddish brown, in loose or dense tufts. Stems erect, simple or branched, with reddish rhizoids at the base of stems; central strand present. Leaves narrowly ovate-lanceolate, slightly curved-contorted when dry, erect-spreading when moist, gradually acuminate, narrowly acute at the apex; margins nearly recurved throughout, upper margins irregularly denticulate, lower margins entire; costa strong, percurrent; upper leaf cells quadrate to hexagonal, greenish, each cell with numerous rounded or C-shaped papillae; basal cells shortly rectangular, smooth, hyaline or reddish. Paroicous or synoicous. Setae 1.0–1.5 cm long, reddish brown; capsules erect, cylindrical; peristome teeth short, straight, reddish, densely papillose; opercula shortly rostrate. Spores greenish, papillose.