1. Distichophyllum carinatum Dix. ex Nichols. 折叶黄藓 zhe-ye huang xian
Rev. Bryol. 36: 24. 1909. Type. Austria: Salzburg, Dixon & Nicholson s.n.
Plants small, light yellowish green, densely tufted. Stem leaves crowded, helically crisped when dry, ovate-lanceolate when wet, 1.0–1.5 mm × 1 mm, acuminate to shortly cuspidate, strongly carinate in upper half of the lamina, often keeled; leaf margins reflexed below, bordered with 1–2 rows of thin-walled, linear cells; costa single, not reaching the leaf apex; laminal cells large, roundly rhomboidal to hexagonal, nearly homogeneous, 36–45 µm × 15–18(–22) µm, thin-walled, becoming smaller near the leaf apex, rectangular near leaf base. Only immature sporophytes seen. Setae about 10 mm long, smooth below, slightly papillose above. Calyptrae mitriform. Filiform propagules present.