3. Meesia uliginosa Hedw. 钝叶寒藓 dun ye han xian
Sp. Musc. Frond. 173. 1801. Amblyodum uliginosum (Hedw.) P. de Beauv., Dict. Sci. Nat. 2: 23. 1804. Type: Europe.
Bryum trichodes Smith, Fl. Brit. 3: 1350. 1804.
Meesia trichodes Spruc., Musci Pyren. 147. 1847, nom. illeg.
Plants small, green or yellowish green, in dense tufts. Stems erect, 1–2 cm high, densely branched. Leaves not in 3 ranks, but more or less more than 3 ranks, straight, narrowly lanceo-ligulate or linear-ligulate, 1.0–3.0 mm × 0.4–0.5 mm, rounded-obtuse at apex, slightly decurrent at base; margins entire, strongly revolute; costae flat, broad at base, ending a few cells below the apex; upper and median leaf cells rectangular or hexagonal, thick-walled; basal cells narrowly rectangular, thin-walled. Setae solitary, 2–3 cm long; capsules curved-pyriform; neck erect; mouth narrowed; opercula conic; annuli 1 row; exostome teeth short, ca. 1/3–1/2 the length of endostome segments; basal membrane low. Spores 38–50 µm in diameter, papillose.