6. Pohlia drummondii (C. Müll.) Andr. in Grout 林地丝瓜藓 lin di si gua xian
Moss Fl. N. Amer. 2. 196. 1935. Webera drummondii (C. Müll.) Jaeg., Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1873–74: 137. 1875. Bryum drummondii C. Müll., Bot. Zeitung (Berlin) 20: 328. 1862. Type: Canada.
Pohlia commutata (Schimp.) Lindb., Musci Scand. 17. 1879. Webera commutata Schimp., Syn. Musc. Eur. (ed. 2): 403. 1876.
Pohlia barbuloides Ochi, J. Fac. Educ. Tottori Univ., Nat. Sci. 34: 88. 1985. Bryum barbuloides Broth. in Handel-Mazzetti, Symb. Sin. 4: 58. 1929, hom. illeg. Type: China. Yunnan, Lu-djing, Handel-Mazzetti 9327.
Plants slender, small to medium-sized, 8–20 mm high, yellowish green above, dark green below, in loose tufts. Stems erect, simple or branched, rarely producing flagelliform branches, with dark brownish rhizoids at base. Leaves appressed when dry, spreading when moist, oblong-lanceolate to lanceolate, rarely ovate-lanceolate, keeled, 0.5–1.6 mm × 0.2–0.6 mm; lower leaves small, few; upper leaves loose or crowded; margins serrulate in the upper part; costae slender, ending below the apex; median leaf cells linear, thin-walled, 60–130 µm × 7–12 µm; basal cells rectangular. Gemmae single, in leaf axils, often 1–3 gemmae per plant, globose, reddish to dark brown, with rhizoids at base, sometimes gemmae giving rise to flagelliform branches. Dioicous. Sporophytes not seen.