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!Distichium hagenii Ryan ex H. Philib. Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Revue Bryologique 23: 36. pl. 1: f. 2, 3. 1896. (Rev. Bryol.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

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

Illustration & Map     (Last Modified On 3/5/2009)
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Illustrations: X.-J. Li (ed.) 1985 (Pl. 7, figs. 10–16).
Map: Distichium hagenii Ryan ex H. Philib. (Distribution in China)

Distribution     (Last Modified On 3/5/2009)
Distribution:

 

Habitat: on soil or rocks in alpine regions.
Distribution: China, Russia, Europe, and North America.

Specimens Examined     (Last Modified On 3/5/2009)
Specimens Examined:

 

Chinese specimens examined: Gansu: Qilian Shan (Mt.), Z.-D. Zhuo 761-64 (MO). Xinjiang: Bogeda Shan (Mt.), J.-C. Zhao 2969 (XJU). Xizang: Gong-bu-jiang-da Co., M. Zang 5246 (KUN); Zhong-ba-cuo-la Shan (Mt.), D.-D. Tao 21040 (IFSBH).

 

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4. Distichium hagenii Ryan ex Philib.   小对叶藓 xiao dui-ye xian
Rev. Bryol. 23: 36. 1896. Swartzia hagenii (Ryan ex Philib.) Möll., Bot. Not. 1907: 142. 1907. Distichium inclinatum ssp. hagenii (Ryan ex Philib.) Amann, Fl. Mouss. Suisse 2: 87. 1919. Distichium inclinatum var. hagenii (Ryan ex Philib.) Mönk., Lanbm. Eur. 161. 1927. Type. Norway: M. Ryan s.n.
Distichium macrosporum C. Gao in X.-J. Li (ed.), Bryofl. Xizang. 17. 1985. Type. China: Xizang, Ji-long Co., G.-C. Zhang 801 (holotype IFSBH).
 
Plants minute to small, 0.5–1.0 cm high, yellowish green, not shiny, in dense tufts. Stems erect, often simple, rarely branched, radiculose at base. Leaves distichous, 2.5–3.0 mm long, abruptly narrowed from an oblong-ovate, sheathing base to a short, setaceous point, the acumina 1/2 to as long as the sheathing base; margins plane, crenulate above the shoulder; costa stout, shortly excurrent, ending in an awn; upper cells quadrate or irregularly hexagonal; basal cells short-rectangular, less than 25 µm long, moderately thick-walled. Autoicous or dioicous. Setae straight, 3–10 mm long, yellowish brown; capsules erect to suberect, oblong-ovoid to short-cylindric, symmetric to slightly asymmetric; opercula conic; annuli differentiated, in 2 rows of large cells, deciduous; peristome teeth 3–5 divided, reddish brown. Spores 30–60 µm in diameter, coarsely papillose.
 
 


 

 
 
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