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Published In: Annales Botanici Fennici 20: 222. 1983. (Ann. Bot. Fenn.) Name publication detail

Project Name Data (Last Modified On 3/12/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/1/2009)
General Reference:

Illustration & Map     (Last Modified On 5/1/2009)
Illustrations: Didymodon rivicola (Broth.) R.H. Zander (Figs. 7–13.)
Map: Didymodon rivicola (Broth.) R.H. Zander (Distribution in China)

Distribution     (Last Modified On 5/1/2009)
Habitat: on soil under bushes or in forests in alpine regions, or on rotten trees.
Distribution: endemic to China.

Specimens Examined     (Last Modified On 5/1/2009)
Specimens Examined:
Specimens examined: Gansu: He-lan Shan (Mt.), Z.-G. Tong 1353 (PE). Guizhou: Gui-yang City, B.-G. Zhong 117 (PE). Hebei: C.-Y. Yang 271 (PE). Jilin: An-tu Co., Koponen 36732, 36902 (H). Shaanxi: Hu Co., M. Wang 532, 578 (HKAS). Sichuan: Dao-cheng Co., M.-Z. Wang 814069 (PE); Lu-ding Co., Y. Xuan 17832 (HKAS); Wen-chuan Co., J.-X. Luo 3621 (PE); Xiang-cheng Co., X.-J. Li 81–2005 (HKAS); Yan-yuan Co., K.-K. Chen 527 (HKAS). Xinjiang: Urumqi Co., S. He 951082 (MO). Xizang: Long-zi Co., M. Zang 1085, 1144 (HKAS); San-an Qu-lin, M. Zang 1366 (HKAS). Yunnan: De-qin Co., M. Zang 8623 (HKAS); Jade Dragon Snow Mountain, Croat 77626 (MO); Kun-ming City, Croat 75962 (MO); Zhong-dian Co., J.-S. Yang 3821 (HKAS).


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15. Didymodon rivicolus (Broth.) Zand. in Kop., C. Gao, J.-S. Lou & Jarvinen  溪边对齿藓 xi-bian dui-chi xian
Ann. Bot. Fenn. 20: 222. 1983. Barbula rivicola Broth., Symb. Sin. 4: 41. 1929. Type. China: Yunnan, Li-jiang, Handel-Mazzetti 6838 (holotype H).
Didymodon mamillosus Dix. in C.-Y. Yang, Sci. Rep. Natl. Tsing Hua Univ., ser. B, Biol. Sci. 2: 116. 1936, nom. nud.
Plants medium-sized to rather large, to 40 mm high, yellowish green, in dense tufts. Stems erect, branched. Leaves appressed when dry, erect-spreading when moist, oblong-ovate, narrowly acute toward the apex; margins entire, revolute; costa stout, subpercurrent or ending just a few cells below the apex; upper leaf cells rounded quadrate to rounded hexagonal, thick-walled, each cell with a large papilla; basal cells irregularly rectangular, smooth, occasionally papillose. Perichaetial leaves inflated, sheathing at the base. Setae straight, ca. 1.5 cm long, reddish; capsules erect, cylindrical, yellowish brown; peristome teeth straight, linear lanceolate, irregularly divided to the middle, densely papillose; opercula conic-rostrate, with a short beak.


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