1. Pseudoleskeopsis tosana Cardot 尖叶拟草藓 jian-ye ni cao xian
Bull. Soc. Bot. Genève, ser. 2, 5: 317. 1913. Type. Japan.
Pseudoleskeopsis hattorii Nog., J. Hattori Bot. Lab. 2: 82. 1947.
Plants brownish green to yellowish green, in mats. Primary stems creeping, with numerous branches; branches short, erect, ca. 1 cm long. Leaves dense, curved when dry, keeled; stem leaves broadly lanceolate, gradually tapered to a long acuminate apex, 1.0–1.5 mm long; branch leaves ovate to oblong-ovate, acute, usually secund, asymmetric, 0.7–1.2 mm × 0.35–0.60 mm, shortly plicate; costa thick, strong, ending near apex, generally not percurrent; margins dentate, apical cells projecting and dentate at leaf tips; leaf cells smooth, thick-walled; median cells rectangular, 10–15 µm × 4–7 µm; basal cells shortly rectangular. Inner perichaetial leaves lanceolate, plicate, acuminate, up to 2.5 mm long; costa thin, slightly percurrent; cells rectangular, thin-walled. Setae 1.5–3.0 cm long, reddish brown; capsules pendent, 1.5–2.0 mm long, with apophysis, contracted at mouth when dry; annuli differentiated, consisting of one layer of cells; exostome teeth ca. 0.3 mm long, subulate, transversely striate below, finely papillose above; endostome segments as long as the teeth, folded; basal membrane high; cilia 2–3. Spores spherical, 13–15 µm in diameter.