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Published In: Bryologia Europaea 4: 154 (fasc. 32. Monogr. Suppl. 1: 2). 1846. (Bryol. Eur.) Name publication detail

Project Name Data (Last Modified On 3/17/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/4/2009)
General Reference:

Illustration & Map     (Last Modified On 5/4/2009)
Illustrations: Bryum arcticum (R. Br.) Bruch & Schimp. (Figs. 9–14.)
Map: Bryum arcticum (R. Br.) Bruch & Schimp. (Distribution in China)

Distribution     (Last Modified On 5/4/2009)
Habitat: on soil or thin soil over rocks; alt. 1500–4000 m.
Distribution: China, Japan, Europe, and North America.

Specimens Examined     (Last Modified On 5/4/2009)
Specimens Examined:


Chinese specimens examined: Hebei: Xing-long Co., J.-X. Ji 8, 47c (both in HKAS). Liaoning: Be-xi Co., C. Gao 94 (HKAS, IFSBH). Nei Mongol: Mt. Helan, Z.-G. Tong 1294 (HIMC). Sichuan: Mt. Omei, J.-H. Xiong s.n. (HKAS). Xinjiang: Ürumqi Co., S. He 951062 (MO). Xizang: Ali District, Z.-C. Ni 7 (HKAS); Long-zi Co., M. Zang 1242 (HKAS).


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4. Bryum arcticum (R. Brown.) Bruch & Schimp. in B.S.G.   极地真藓   ji di zhen xian
Bryol. Eur. 4: 154. f. 335. 1846. Pohlia arctica R. Brown, Chlor. Melvill. 38. 1823. Type: Canada.
Bryum alpicola Broth., Symb. Sin. 4: 57. 1929. Type: China. Sichuan, Mu-li Co., Handel-Mazzetti 7403.
Plants small to large, up to 50 mm high, usually reddish, in tufts. Stems rarely branched. Leaves oblong-ovate to ovate-lanceolate, up to 1.7 mm long, abruptly acute, reddish at base; margins recurved, usually entire; costae long-excurrent, reddish below; branch leaves imbricate, ovate, cucullate; median leaf cells hexagonal, 38–45 µm × 15–22 µm, thin-walled; marginal cells narrowed, indistinctly bordered by 1–2 rows of linear cells; basal cells rectangular. Synoicous. Setae 7–10 mm long, reddish brown; capsules pendulous, clavate (club-shaped) to oblong-pyriform, 1.5–2.2 mm long; neck shorter than urn; stomata present; exostome teeth yellowish brown, finely papillose; endostome segments linear or rudimentary; basal membrane ca. 1/2 the height of teeth; cilia short or absent. Spores 20–25 µm in diameter.


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