2. Cynodontium fallax Limpr., Laubm. Deutschl. 1: 287. 1886.
Plants rather small, slender, 1–3 cm high, pale green to yellowish green, in dense tufts. Stems erect, simple or sparsely branched, radiculose at the base. Leaves flexuose when dry, erect-spreading when moist, narrowly lanceolate, gradually acuminate from a narrow base to a long, acuminate apex; margins nearly plane, serrulate in the upper half; costa subpercurrent, roughened near the apex; upper cells quadrate, 10–15 µm wide, moderately mammillose; lower cells rectangular, smooth; alar cells slightly differentiated. Autoicous. Perigonia sessile. Setae erect, pale yellowish to reddish brown; capsules erect, symmetric, not strumose; opercula long, conic-rostrate; annuli developed, in 1 row; peristome teeth divided about 1/3 – 2/3 down, reddish brown. Spores ca. 21 µm in diameter, brownish, papillose.
Chinese specimens examined: JIANGXI: Lu Shan (Mt.), J.-M. Yang 60 (IFSBH), Y. -S. Yang 33021 (IFSBH). SICHUAN: Ya-jiang Co., S. He 31928a (MO). YUNNAN: Da-li Co., S.-D. Zhao & Z.-F. Fang 745 (IFSBH).
Habitat: on soil over rocks; Distribution: China, Russia (Siberia), Europe, and North America.
Illustrations: C. Gao (ed.) 1994 (Pl. 93, figs. 7–11).