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!Bryum dichotomum Hedw. 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 GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Species Muscorum Frondosorum 183, pl. 42, f. 8–12. 1801. (Sp. Musc. Frond.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

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

Illustration & Distribution Map     (Last Modified On 5/4/2009)
Illustrations: Bryum dichotomum Hedw. (Figs. 13–19.)
Map: Bryum dichotomum Hedw. (Distribution in China)

Ecology & World Range     (Last Modified On 5/4/2009)
Habitat & Distribution:
Habitat: on soil walls, thin soil over rocks in bright places; alt. 1000–2700 m.
Distribution: China, India, Malaysia, Europe, South, Central and North America, Africa, and New Zealand.

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

 

Chinese specimens examined: Anhui: She Co., D.-K. Li 2425 (HKAS, SHM). Gansu: Wu-du Co., M.-X. Zhang & D.-Q. Lu 955 (HKAS, WUG). Hainan: Le-dong Co., Reese 17770 (MO). Henan: Nie-xiang Co., J.-X. Luo 160 (MO). Jiangsu: Lianyun Harbor, P.-P. Lin & Q. Wang 481 (HKAS, NAS); Nanjing City, M. Zang 55-05 (HKAS); Su-zhou City, P.-P. Lin & Q. Wang 2466 (HKAS, NAS). Nei Mongol: Balin You-qi, X.-L. Bai 206 (HIMC). Shaanxi: Hu Co., M.-X. Zhang 2824 (HKAS, WUG). Shandong: Mt. Tai, C. Gao 34104 (HKAS, IFSBH). Xinjiang: Ürumqi City, R.-L. Zhu 93515 (HKAS, HSNU); Wu-su Co., Z.-X. Chen 1339 (MO). Xizang: Ali Co., J.-T. Jin 8 (HKAS); Cha-yu Co., S.-G. Wu 1117 (HKAS). Yunnan: Da-li Co., X.-Y. Jia 910242 (MO); Kunming City, D.-C. Zhang 94-1 (HKAS); Li-jiang Co., Croat 77674 (MO), W.-X. Xu 843 (HKAS, YUKU); Qiu-bei Co., X.-J. Li 250 (HKAS); Zhong-dian Co., D.-C. Zhang 171 (HKAS).

 

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17. Bryum dichotomum Hedw.   双色真藓   shuang se zhen xian
Sp. Musc. Frond. 183. 1801. Mnium dichotomum (Hedw.) P. de Beauv., Prodr. Aethéogam. 74. 1805. Type: New Zealand.
Bryum bicolor Dicks., Fasc. Pl. Crypt. Brit. 4: 16. 1801. Argyrobryum bicolor (Dicks.) Kindb., Bih. Kongl. Svenska Vetensk.-Akad. Handl. 7(9): 79. 1883.
Bryum sasaokae Broth. in Sasaoka, Bot. Mag. (Tokyo) 35: 68. 1921, nom. nud.
 
Plants small, ca. 5 mm high, green to yellowish green, in loose tufts. Stems branched. Leaves appressed when dry, erect-spreading when moist, oblong- to ovate-lanceolate, acuminate, cucullate above, not decurrent at base; margins plane, entire or serrulate above, slightly recurved below; costae shortly excurrent; median leaf cells rectangular or narrowly hexagonal, 23–50 µm × 10–17 µm, slightly thick-walled, cells narrower at margins, but borders not clearly differentiated; basal cells rectangular to nearly quadrate. Dioicous. Perichaetial leaves linear-lanceolate. Setae ca. 20 mm long; capsules pendulous, ellipsoidal, reddish brown; neck slightly expanded, shrunk when dry; exostome teeth minutely papillose, brownish below; endostome segments as long as the teeth, widely perforate; cilia 1–3, nearly as long as the segments, appendiculate. Spores 9–12 µm in diameter, roughened.
 
 


 

 
 
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