1. Bryhnia brachycladula Cardot 短枝燕尾藓 duan zhi yan wei xian
Bull. Soc. Bot. Genève, ser. 2, 4: 379. 1912. Type: Japan. Honshu, Pref. Nagano, Faurie 109.
Plants medium-sized to rather large, yellowish green, somewhat glossy. Stems elongate, prostrate, to ca. 6(–8) cm long, irregularly branched; branches usually simple, julaceous, with few branchlets. Stem and branch leaves more or less similar, broadly ovate, 1.22–1.31 mm × 0.72–0.92 mm, concave, sometimes plicate, acute or shortly apiculate at apex, weakly to barely decurrent at base; margins entire below, serrulate above; costae stout, ending well above mid-leaf, smooth at tips; median leaf cells linear-rhomboidal, 47–58 µm × 6–9 µm, with rounded ends, thin-walled, often prorate; upper cells shorter, broader; alar cells distinctly differentiated, inflated, rounded-hexagonal or elliptical, slightly thick-walled, not porose. Perichaetial leaves lanceolate, ecostate. Setae brownish, papillose; opercula conic. Calyptrae cucullate, smooth. Spores not seen.