17. Pogonatum subfuscatumBroth. 半栉小金发藓 ban zhi xiao jin fa xian
Symb. Sin. 4: 134. 1929. Type: China. Yunnan, near Luding, Handel-Mazzetti 8244 (holotype H).
Oligotrichum serratomarginatum J.-X. Luo & P.-C. Wu, Acta Phytotax. Sin. 18: 125. 1980, syn. nov. Type: China. Xizang: Basu, alt. 4200 m, W.-L. Chen & L.-Q. Li 76021 (holotype PE).
Pogonatum formosanum Horik., Bot. Mag. (Tokyo) 49: 59. f. 6. 1935. Type: China. Taiwan, Chia-yi Co., Mt. Ali, Horikawa s.n.
Plants rather small to medium-sized, dark green, loosely tufted. Stems ca. 2 cm, sometimes up to 4 cm high, with basal leaves mostly deciduous. Leaves crisped when dry, not appressed on stems, erect-patent when moist, 1–3 mm long, leaf bases rounded-ovate, broadly lanceolate toward apex; slightly cucullate at apex; margins irregularly serrate; costa thick, percurrent, grossly dentate on the back; lamellae disappearing at 5–7 rows of marginal cells, 3–4 cells high, apical cells of lamellae not much differentiated, oval or oblong-oval; lower stem leaves broadly and shortly ovate, sheathing margins irregularly multi-toothed. Dioicous. Perigonia not seen. Perichaetial leaves not distinctly differentiated. Setae slender, 2 cm long; capsules cylindrical, ca. 2 mm long, 1 mm in diameter.