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Published In: The Bryologist 67: 163. 1964. (Bryologist) Name publication detail

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. 61, figs. 9–15, as Barbula asperifolia).

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Map: Didymodon asperifolius (Mitt.) H.A. Crum, Steere & L.E. Anderson (Distribution in China)

Distribution     (Last Modified On 3/12/2009)
Habitat: on rocks, soil walls, or forest ground and tree trunks.
Distribution: China, Sikkim, Japan, Central Asia, Russia (Siberia), Europe, and North America.

Specimens Examined     (Last Modified On 3/12/2009)
Specimens Examined:
Chinese specimens examined: Gansu: He-xi Co., S.-Z. Hu 551 (WUG). Hebei: Xiao-wu-tai Shan (Mt.), K.-J. Guan 48 (PE); C.-Y. Yang 73, 92 (PE). Heilongjiang: Ning-an Co., Jingpo Hu (Lake), C. Gao 9102 (IFSBH). Nei Mongol: He-lan Shan (Mt.), Z.-G. Tong 1994a (PE). Xizang: Bo-mi Co., Rawu, M. Zang 2061 (HKAS). Yunnan: Li-jiang Co., M. Zang 1646 (HKAS); Zhong-dian Co., L.-S. Wang 81–1352 (HKAS).


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3. Didymodon asperifolius (Mitt.) H. Crum, Steere & L. E. Anderson   红对齿藓 hong dui-chi xian
Bryologist 67: 163. 1964. Barbula asperifolia Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 34. 1859. Type. Sikkim: J. D. Hooker s.n. (holotype NY).
Didymodon rufus Lor. in Rabenh., Bryoth. Eur. 13: 621. 1863. Barbula rufa (Lor.) Jur., Laubm.-Fl. Oesterr.-Ung. 113. 1882, hom. illeg.
Barbula sinensi-fallax C. Müll., Nuovo Giorn. Bot. Ital., n. ser. 3: 100. 1896. Type. China: Shaanxi, Thae-pei-san, P. J. Giraldi 862.

Plants medium-sized to large, to 60 mm high, dark green to reddish brown, in loose or dense tufts. Stems erect or suberect, forked or many-branched; central strand absent. Leaves involute when dry, erect-spreading when moist, ovate-lanceolate, 1.3–1.6 mm × 0.5–0.7 mm, gradually acuminate; margins entire, revolute; costa slender, percurrent to shortly excurrent; upper leaf cells rounded triangular to pentagonal, 8–12 µm × 8–12 µm, strongly thick-walled, with a large, central papilla; basal cells irregularly rectangular, 10–22 µm × 6–10 µm, smooth, hyaline. Dioicous. Setae straight, 1.5–2.0 cm long; capsules ovoid-cylindrical; opercula oblong-conic.

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