2. Rhaphidostichum piliferum (Broth.) Broth. 毛尖狗尾藓 mao jian gou wei xian
Nat. Pflanzenfam. (ed. 2) 11: 434. 1925. Wijkia pilifera (Broth.) Crum, Bryologist 74: 173. 1971. Sematophyllum piliferum Broth., Öfvers. Förh. Finska Vetensk.-Soc. 47(14): 9. 1905. Type: Borneo.
Plants robust, yellowish green, glossy. Stems elongate, prostrate, densely branched, branches spirally arranged and radically symmetric, 2–4 cm long. Leaves loosely arranged, upright from stems, oblong-ovate, up to 4 mm × 1.2 mm, concave, abruptly constricted into a piliform acumen; margins plane, entire; costae absent; leaf cells linear, ca. 60–100 µm × 4–5 mm, smooth, pitted; alar cells rounded oval, inflated, brownish. Dioicous. Inner perichaetial leaves serrate at apex. Setae 2.5–3.0 cm long, reddish, mammillose above; capsules horizontal to pendent, ca. 1.5 mm long, neck short and mammillose; exostome teeth clearly with a median line, densely cross-striate below (description adopted from the literature).