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Published In: Species Muscorum Frondosorum 104. 1801. (Sp. Musc. Frond.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

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

Illustration & Map     (Last Modified On 3/12/2009)
Related Objects:
Illustrations: C. Gao (ed.) 1996 (Pl. 64, figs. 1–4, as Barbula rigidula).

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Map: Didymodon rigidulus Hedw. (Distribution in China)

Distribution     (Last Modified On 3/12/2009)
Distribution:
Habitat: on rocks in alpine regions or on soil in grasslands.
Distribution: China, central and western Asia, Russia (Siberia), Europe, northern Africa, North and South America.
 

Specimens Examined     (Last Modified On 3/12/2009)
Specimens Examined:
Chinese specimens examined: Gansu: Lan-zhou City, L.-L. Jin 61 (PE); Yu-zhong Co., L.-X. Zeng 17b (PE). Hebei: Bei-tai, Q.-W. Wang 931 (PE). Henan: Feng-huang Shan (Mt.), D.-Z. Tu 1602 (HKAS). Jiangsu: Jia-ding Co., S.-M. Xu 263 (PE). Jilin: Chang-bai Shan (Mt.), C. Gao 7203 (HKAS, IFSBH). Nei Mongol: Ha-la-wu, Z.-G. Tong 1975 (PE); He-lan Shan (Mt.), Z.-G. Tong 1249a, 1925 (PE). Qinghai: Xing-hai Co., F.-G. Lu 25 (HKAS), Y.-X. Wu 276 (PE). Shaanxi: P. J. Giraldi 932 (PE). Sichuan: Yan-yuan (Yenyuan) Co., Handel-Mazzetti 4292, 6820 (H). Xinjiang: He-jing Co., S. He 951219 (MO). Xizang: Ji-long Co., S.-K. Chen 324 (HKAS); Mo-tuo Co., Y.-G. Su 2347 (HKAS); Ran-wu (Rawu), M. Zang 2050a (HKAS); Zhu-mu-lang-ma-feng (Mt. Everest), X.-G. Wang 84, 93 (PE). Yunnan: Kun-ming City, Handel-Mazzetti 231, 352 (H), X.-J. Li 3047 (HKAS). Li-jiang Co., Handel-Mazzetti 4292, 6820 (H), X.-J. Li 81–452 (HKAS); Ning-lang Co., X.-J. Li 81–486 (HKAS); Teng-chong Co., X.-J. Li 204 (HKAS); Xi-shuang-ban-na, X.-J. Li 3203 (HKAS); Zhong-dian Co., Handel-Mazzetti 3245 (H), X.-J. Li 81–1123 (HKAS).

 

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14. Didymodon rigidulus Hedw.    硬叶对齿藓 ying-ye dui-chi xian
Sp. Musc. Frond. 104. 1801. Barbula rigidula (Hedw.) Mild., Bryol. Siles. 118. 1869, hom. illeg. Type. Europe.
 
Plants small to medium-sized, 10–20 mm high, dark green to yellowish green, in dense tufts. Stems erect, branched. Leaves appressed when dry, reflexed to squarrose when moist, triangular or ovate-lanceolate, gradually acuminate at the apex; margins entire, revolute; costa stout, percurrent; upper leaf cells rounded hexagonal, thick-walled, pluripapillose; basal cells shortly rectangular, smooth. Gemmae often present, multicellular.
 
 


 

 
 
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