1. Timmia austriacaHedw. 南方美姿藓 nan fang mei zi xian
Sp. Musc. Frond. 176. 1801. Mnium austriacum (Hedw.) Spreng., Anleit. Kenntn. Gew. 3: 372. 1804. Type: Austria. Froelich s.n.
Plants rather large, bright green or yellowish green, in dense tufts. Stems erect, 5–12 cm high, usually simple, with dense rhizoids at base. Leaves stiff, strongly crisped when dry, erect-spreading or slightly squarrose when moist, narrowly ovate- or linear-lanceolate, sheathing at base; margins sharply serrate; costae percurrent or ending just a few cells below leaf apex, more or less dentate at back; upper leaf cells small, irregularly hexagonal, papillose ventrally, smooth on the dorsal surface; basal cells irregularly rectangular, orange, not hyaline, with large papillae. Dioicous. Setae 20–40 mm long; capsules ellipsoidal or cylindrical, pendulous; opercula conic-rostrate, ca. 3–4 mm long. Calyptrae cucullate, smooth. Spores yellowish, 13–16 µm in diameter, roughened.