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Published In: Journal of the Hattori Botanical Laboratory 67: 210. 1989. (J. Hattori Bot. Lab.) Name publication detail

Project Name Data (Last Modified On 2/26/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/5/2009)
General Reference:

Illustration & Map     (Last Modified On 5/5/2009)
Illustrations: Cratoneuron filicinum var. atrovirens (Brid.) Ochyra (Figs. 1–8.)
Map: Cratoneuron filicinum var. atrovirens (Brid.) Ochyra (Distribution in China)

Distribution     (Last Modified On 5/5/2009)


Habitat: on rocks in streams; alt. unknown.
Distribution: China, Japan, Korea, Mongolia, Russia, Europe, North America, North Africa, and Greenland.

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


Chinese specimens examined: Beijing: Huai-rou Co., Y.-H. Wu 1128, 1129 (both in IFSBH); Mt. Xiangshan, C. Gao 5597 (SHM). Gansu: Mt. Sanmin, Z.-B. Wang 4603 (WUK). Henan: Nan-kou Co., Q.-W. Wang 1890 (PE). Jiangsu: Nanjing City, J.-X. Hang 22119 (SHM). Liaoning: Kuan-dian Co., T. Cao & S.-Z. Wang 38726 (IFSBH). Nei Mongol: Mt. Daqing, Z.-G. Tong 847 (PE); Yakeshi City, S.-J. Piao 209 (IFSBH). Qinghai: Yu-shu Co., B.-C. Tan 95-1647, 95-2007 (both in NY). Shanxi: Taiyuan City, C. Gao 00510, 40511 (both in IFSBH). Sichuan: Mt. Liangshan, Q. Li 1992 (IFSBH); Mu-li Co., C. Gao 21110, Q. Li 1058 (both in IFSBH); Song-pan Co., Redfearn et al. 35474 (MO), Allen 7296 (as Amblystegium noterophilum, MO, NY). Xinjiang: Mt. Bogeda, J.-C. Zhao & J. Wang 2479 (IFSBH). Yunnan: Li-jiang Co., W.-X. Xu 596, 597 (both in WUK).

Notes     (Last Modified On 5/5/2009)
general taxon notes:


Cratoneuron filicinum var. atrovirens differs from C. filicinum var. filicinum by its strong, thick costae that are shortly excurrent, ending in stout, cuspidate apices. The type specimen of C. taihangense is characteristic of C. filicinum var. filicinum in the young plants, while it shows the morphology of C. filicinum var. atrovirens in the older plants within the same collection. We believe that C. taihangense should be regarded as a synonym of C. filicinum var. filicinum.


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1b. Cratoneuron filicinum var. atrovirens (Brid.) Ochyra   牛角藓宽肋变种   niu jiao xian kuan le bian zhong
J. Hattori Bot. Lab. 67: 210. 1989. Hypnum vallis-clausae Brid. var. atrovirens Brid., Bryol. Univ. 2: 534. 1827. Type: Europe.
Plants rather robust, coarse, yellowish green or dark brownish green, in dense mats. Stems erect-ascending, 3–10 cm long, irregularly or regularly pinnately branched; stem round to elliptical in cross section; cortical cells small, thick-walled, in 3–5 layers; central strand weakly differentiated; paraphyllia few, foliose, ovate-lanceolate or lanceolate. Leaves on older stems or branches usually denuded, bare costa left by erosion of lamina. Stem leaves erect, lanceolate, 2–3 mm long; margins serrulate or entire; costae yellowish, strong, thick, 100–140 µm wide at the base, usually long-excurrent; median leaf cells shortly oblong to oblong-rhomboidal, 20–30 µm × 6–8 µm; alar cells enlarged, usually yellowish brown, somewhat thin-walled, oblong-rhomboidal. Sporophytes not seen.
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