1. Leskea gracilescens Hedw. 细枝薄罗藓 xi-zhi bo-luo xian
Sp. Musc. Frond. 222. 1801. Type. U.S.A.: Pennsylvania, Lancaster, Muhlenberg s.n.
Plants tiny, green to yellowish green, in prostrate mats. Primary stems creeping, 1–2 cm long, irregularly branched, branches short, dense. Stem leaves and branch leaves isomorphous; branch leaves involute, appressed on branches when dry, erect-spreading upward when moist; broadly ovate to ovate, 0.5–0.8 mm × 0.4–0.6 mm, usually plicate at base, with blunt apex; margins entire, narrowly recurved at the base; costa single, ending below the apex; upper and median leaf cells round-polygonal, 7–10 µm, unipapillose. Sporophytes not seen.