1. Anomodon abbreviatus Mitt. 单疣牛舌藓 dan-you niu-she xian
Trans. Linn. Soc. London, Bot. 3: 187. 1891. Type. Japan: Joshim, Bisset s.n.
Anomodon asperifolius C. Müll., Nuovo Giorn. Bot. Ital., n. ser. 3: 117. 1896. Type. China: Shaanxi (Schen-si), Giraldi s.n.
Plants usually large, densely interwoven in lax cushions, erect spreading above, yellowish green to green, yellowish brown when old. Primary stems creeping, flagelliform; secondary stems erect or erect-spreading, up to 10 cm long, simple or sparsely branched; branches about 2–3 cm long; central strand undifferentiated. Stem leaves crisped when dry, erect-spreading when moist, gradually forming an oblong-lingulate lamina from an ovate base, about 2.5–5.0 mm long, rounded-obtuse or acute at the apex; margins papillose; costa vanishing near leaf apex; median leaf cells rounded quadrate to rounded hexagonal, ca. 10–20 µm wide, setulosely unipapillose, thick-walled, basal cells near costa oblong, smooth; branch leaves similar to stem leaves. Dioicous. Perichaetial leaves narrowly ovate-lanceolate. Setae yellowish brown to reddish brown, about 2–3 mm long; capsules ovoid, erect, reddish brown; exostome teeth yellowish brown, hyaline, papillose above, smooth at lower portion; endostome segments rudimentary; opercula cylindrical, shortly beaked. Calyptrae about 4 mm long, smooth. Spores up to 30 µm in diameter, papillose.