2. Bellibarbula recurva (Griff.) Zand., Bulletin of the Buffalo Society of Natural Sciences. 32:142. 1993; Gymnostomum recurvum Griff., Calcutta J. Nat. Hist. 2: 482. 1842.
Didymodon recurvus (Griff.) Broth., Nat. Pflanzenfam. I(3): 405. 1902. Bryoerythrophyllum recurvum (Griff.) Saito in Nog. & Iwats., Bull. Univ. Mus. Univ. Tokyo 8: 254. 1975.
Bellibarbula obtusicuspis (Besch.) Chen, Hedwigia 80: 225. 1941. Anoectangium obtusicuspis Besch., Rev. Bryol. 18: 87. 1891. Type. China: Yunnan, Delavay 3950 (isotype H).
Bryoerythrophyllum tenerrimum (Broth.) Chen, Hedwigia 80: 253. 1941. Didymodon tenerrimus Broth. in Handel-Mazzetti, Symb. Sin. 4: 39. 1929. Type. China: Yunnan, Li-jiang Co., Handel-Mazzetti 4321 (holotype H).
Plants small, 5–10 mm high, yellowish green to reddish brown, in loose or dense tufts. Stems erect, often branched, radiculose below. Leaves imbricately appressed when dry, spreading when moist, broadly oblong-ovate, gradually acute at the apex; margins entire, recurved; costa ending at the apex; upper cells rounded-quadrate to rounded-hexagonal, thin to moderately thick-walled, with a few rounded papillae on each cell; basal cells not much differentiated to short-rectangular. Perichaetial leaves enlarged, highly sheathing at the base, involute above. Setae slender, ca. 5 mm long; capsules erect, short-cylindric, opercula obliquely long-rostrate.
Type. India: Assam.
Chinese specimens examined: XIZANG: Ban-ge Co., K.-Y. Lang 1258 (HKAS); La-long-yao Mt., J.-W. Zhang 7303 (PE); Mt. Everest, J.-C. Wei 29 (HKAS); Ri-ge-ze, Qing-zang Team 7555 (PE); Zhong-ba Co., D.-D. Tao 2100 (HKAS). YUNNAN: Bin-chuan Co., M.-K. Cui 459b, 460d, 767 (HYUB); De-qin Co., X.-J. Li 81–1504 (HKAS); Li-jiang Co., Yu-long-xue-shan, W.-X. Xu 1009 (HYUB, HKAS).
Habitat: on rocks or soil in alpine regions; Distribution: China, India, and North America.
Illustrations: Pl. 112, figs. 6–13.
