1. Brachythecium albicans (Hedw.) Schimp. in B.S.G. 灰白青藓 hui bai qing xian
Bryol. Eur. 6: 23. pl. 553. 1853. Chamberlainia albicans (Hedw.) H. Rob., Bryologist 65: 112. 1962. Hypnum albicans Hedw., Sp. Musc. Frond. 251. 1801. Type: Europe.
Plants medium-sized, grayish green or yellowish green, somewhat glossy, in loose mats. Stems prostrate or somewhat ascending, 4–5 cm long, irregularly branched, branches 7–10 mm long, somewhat julaceous, or more or less flattened, loosely foliate, sometimes twisted when dry. Stem and branch leaves homomorphous, oblong-lanceolate to narrowly ovate-lanceolate, 1.53–1.71 mm × 0.45–0.61 mm, slightly plicate, acuminate, narrowly acute at apex, barely decurrent at base; margins entire below, serrulate near apex; costae ending slightly above mid-leaf; median leaf cells linear-rhomboidal, 40–80 µm × 5–7 µm; alar cells subquadrate, extending close to costa at leaf base. Dioicous. Setae 15–22 mm long, reddish brown, smooth; capsules inclined to horizontal, shortly cylindrical, 1.0–1.5 mm long, asymmetric; opercula shortly conic-rostrate; annuli developed, consisting of 2 rows of inflated cells; cilia 2–3. Spores papillose.