1. Trichodon muricatus Herz. 云南毛齿藓 yun-nan mao-chi xian
Hedwigia 65: 148. 1925. Type. China: Yunnan, Pe yen tsin, alt. 3,000 m, S. Ten 48 (holotype JE).
Plants small, 8–10 mm high, yellowish green, in loose tufts. Stems slender, erect, simple, radiculose at base. Leaves flexuous or crispate to subsecund above when dry, wide-spreading when moist, lanceolate, 2.0–3.0 mm long, rather abruptly narrowed from an oblong-ovate, sheathing base to a long, linear or subulate acumen; margins plane or occasionally slightly reflexed below, serrulate above; costa single, percurrent, filling most of the subula; upper cells short-rectangular, 11–12 µm × 5–6 µm, firm-walled, smooth; basal cells rectangular, 20–39 µm × 6–15 µm, thin-walled, pellucid; alar cells not differentiated. Dioicous. Sporophyte not seen.