2. Cynodontium fallax Limpr. 假狗牙藓 jia gou-ya xian
Laubm. Deutschl. 1: 287. 1886. Type. Europe.
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 mm 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.