1. Pogonatum aloides(Hedw.) P. Beauv. 小金发藓 xiao jin fa xian
Prodr. 84. 1805. Polytrichum aloides Hedw., Sp. Musc. Frond. 96. 1801. Type: Europe.
Pogonatum mnioides Hag., K. Norsk. Vid. Selsk. Skrift. 1913: 30. 1914, nom. inval.
Polytrichum rubellum Menz. ex Brid., J. Bot (Schrader) 1800(1): 287. 1801.
Plants medium-sized, dark green, in extensive mats. Stems single, 2.5–3.5 mm long. Basal leaves scale-like; upper leaves incurved when dry, erect-spreading when moist, up to 6 mm long, from a broad-ovate base tapering to lanceolate upper part; leaf margins sharply serrate; costa excurrent to shortly excurrent, dentate on the back; lamellae densely arranged on the ventral surface of leaves, 5–6 cells high, cross section of apical cells rounded, indistinctly differentiated, thin-walled; cells of leaf sheath rectangular, ca. 70 µm × 10 µm, upper leaf cells rounded quadrate, ca. 8 µm in diameter, slightly thick-walled. Dioicous. Setae ca. 2.5 cm long; capsules shortly cylindrical, erect or inclined, brown, up to 6 mm long, exothecial walls mammillose; opercula conical; peristome teeth 32, with brownish stripes. Calyptrae covering the whole capsule. Spores spherical, hyaline, 7–11 µm in diameter.