1. Lopidium nazeense(Thér.) Broth. 东亚雀尾藓 dong-ya que-wei xian
Nat. Pflanzenfam. (ed. 2), 11: 271. 1925. Hypopterygium nazeense Thér., Bull. Acad. Int. Géogr. Bot. 19: 17. 1909. Type. Japan: Naze.
yellowish green or dark green, not glossy. Primary stems
slender, creeping; secondary stems erect, regularly pinnately branched; central strand absent. Lateral leaves
ligulate, asymmetric, 1.0–2.2 mm × 0.2–0.5 mm, with a short, acute apex; costa reaching the apex; leaf margins nearly entire, often bordered by 1–2 rows of cells in lower parts; laminal cells mostly rounded-oval, usually 7–15 µm wide, distinctly collenchymatous; amphigastria small, ovate-lanceolate, symmetric, with a long acuminate apex; margins nearly entire. Monoicous
or autoicous. Inner perichaetial leaves
long, oblong-ovate at leaf base, nearly entire; costa stout, ending at apex or percurrent; laminal cells similar to lateral cells. Setae
short, mammillose or papillose above; capsules small, erect or suberect annuli absent; exostome teeth narrowly lanceolate, papillose above, densely striate in lower parts; endostome segments narrowly elongate; cilia absent. Calyptrae
small, mitriform. Spores
small, minutely papillose.