8. Plagiothecium latebricola Schimp. in B.S.G. 小叶棉藓 xiao ye mian xian
Bryol. Eur. 5: 184. 494. 1852. Leskea latebricola (Schimp.) Wilson, Bryol. Brit. 329. 1855. Hypnum latebricola (Schimp.) Hobk., Syn. Brit. Mosses. 160. 1873. Isopterygium latebricola (Schimp.) Delogne, Ann. Soc. Belge Microscop. 9: 141. 1885. Type: England.
Plants small, slender, bright green or yellowish green, glossy, in loose mats. Stems prostrate, often with ascending branches; central strand absent. All leaves erect-spreading, somewhat complanate, dense or sparse, narrowly ovate-lanceolate, 0.8–1.2 mm × 0.3–0.5 mm, concave, usually secund near apex; margins plane, entire, sometimes reflexed near leaf base on one side; costae very short, forked, or absent; median leaf cells linear-rhomboidal, 70–120 µm × 4–6 µm; apical cells shorter; basal cells shorter, broader; alar regions decurrent, in a triangular shape, consisting of (1–)2–3 rows of cells. Brood bodies often present at leaf apex. Dioicous. Setae 8–12 mm long; capsules erect, oblong-ovoid, symmetric, 1.0–1.2 mm long, smooth; opercula conic-rostrate, with blunt or oblique beaks; cilia absent or poorly developed. Spores 10–11 µm in diameter, smooth or minutely papillose.