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Published In: Bryologia Europaea 5: 194. pl. 505 (fasc. 48. Monogr. 16. pl. 12). 1851. (Bryol. Eur.) Name publication detail

Project Name Data (Last Modified On 4/1/2009)
Acceptance : Accepted
Project Data     (Last Modified On 5/6/2009)
General Reference:

Illustration & Map     (Last Modified On 5/6/2009)
Illustrations: Plagiothecium neckeroideum Schimp. (Figs. 1–8.)
Map: Plagiothecium neckeroideum Schimp. (Distribution in China)

Distribution     (Last Modified On 5/6/2009)
Habitat: on bases of trees, rotten wood, rocks, and soil; alt. 104–3000 m.
Distribution: China, Japan, Nepal, India, Thailand, Indonesia, the Philippines, Europe, and North America.

Specimens Examined     (Last Modified On 5/6/2009)
Specimens Examined:
Chinese specimens examined: Anhui: Mt. Huangshan, D.-K. Li 757, 2286 (both in SHM); Ning-guo Co., Z.-L. Liu 32918 (SHM). Chongqing: X.-Y. Hu 015 (PE); Nan-chuan Co., X.-Y. Hu 0015 (MO, PE). Fujian: Mt. Wuyi, D.-K. Li & C.-H. Gao 12044, 13015, 14540Guizhou: Mt. Fanjing, Bourell 4654 (MO), J.-F. Nie 40082 (SHM). Heilongjiang: Ning-an Co., X.-L. Zhu 187 (MO). Henan: Luan-chuan Co., D.-Z. Tu 3110 (MO); Song-xian Co., J.-X. Luo 465c (MO). Jiangxi: Mt. Jinggang, C.-H. Gao 25678, D.-K. Li 20166 (both in SHM); Mt. Sanqing, X.-M. Zhao 412, 425 (both in HSNU). Liaoning: Ben-xi Co., C. Gao 7038 (MO). Shaanxi: Mt. Taibai, Z.-P. Wei 5765, 6375 (both in WUK). Sichuan: A-ba Co., S. He 31055 (MO); Ma-er-kang Co., S. He 31140 (MO); Mt. Omei, D.-K. Li 15294, 16005 (both in SHM), Raven & C.-J. Chen 94 (MO); Mu-li Co., Lindiaodui 389 (SHM); Ruo-er-gai Co., S. He 30769a (MO); Song-pan Co., S. He 30521 (MO, PE). Taiwan: Luanuh 2891 (IBSC); Ilan Co., C.-C. Chuang 1984 (IBSC, MO); Nan-tou Co., S. He 36171, M.-J. Lai 10316 (both in MO), Shevock 17869 (CAS, MO); Ping-tung Co., M.-J. Lai 9817 (MO); Tai-chung Co., Shevock 17986 (CAS, MO). Xizang: Cha-yu Co., M.-Z. Wang 11890 (PE); Ding-ri Co., J.-W. Zhang 750(3) (HKAS); Mo-tuo Co., Y.-G. Su 3758, 5265 (both in HKAS); Ya-dong Co., M. Zang 396, 568, 577 (all in HKAS). Yunnan: Fu-gong Co., Shevock 25367, 25554 (both in CAS, MO); Gong-shan Co., Q.-W. Wang 6928 (SHM), S.-G. Wu 6003b (MO); Jing-dong Co., J.-K. Zhang 1030 (YUKU); Lu-shui Co., Shevock 26916 (CAS, MO), J.-X. Luo & M.-Z. Wang 81-21986 (H, PE); Shangri-la Co., H.-F. Xie 2077 (MO); Yang-bi Co., W.-M. Zhu 636 (YUKU); Yi-liang Co., Handel-Mazzetti 9128, 9840 (both in H, PE), X.-J. Li 4442 (both in HKAS); Yun-long Co., X.-S. Cun 1 (YUKU). Zhejiang: Mt. Fengyang, Z.-L. Liu 36734 (HSNU); Mt. Jiuhua, Z.-L. Liu & R.-L. Hong 2731, 4355 (both in HSNU).
, Z.-L. Liu 36203 (all in SHM).

Notes     (Last Modified On 5/6/2009)
general taxon notes:
Plagiothecium neckeroideum var. neckeroideum is characterized by the strongly complanate leafy stems and branches with often undulate leaves, and the clear differentiation of lateral, dorsal, and ventral leaves.


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9. Plagiothecium neckeroideum Schimp. in B.S.G.   扁平棉藓   bian ping mian xian
Bryol. Eur. 5: 194, pl. 505. 1852. Hypnum neckeroideum (Schimp.) Lindb., Not. Sällsk. Fauna Fl. Fenn. Förh. 9: 28. 1868, nom. inval. in synon. Type: Europe.
9a. Plagiothecium neckeroideum var. neckeroideum   扁平棉藓原变种   bian ping mian xian yuan bian zhong
Plants rather large, similar to Neckera species, green to yellowish green, strongly complanate, in dense mats. Stems prostrate, to 10 cm long, ca. 3 mm wide, irregularly branched; branches ascending, ca. 10–20 mm long; stem elliptical in cross section, central strand absent. Leaves dimorphic; ventral and dorsal leaves distinctly asymmetric or somewhat symmetric; lateral ones distinctly asymmetric, ovate, 1.5–2.3 mm × 0.9–1.3 mm, concave, often undulate above, abruptly shortly acute at apex; margins plane, entire or serrulate near apex; costae double, reaching 1/4–1/3 the leaf length; median leaf cells linear-rhomboidal, 70–100 µm × 5–7 µm, thin-walled; apical cells shorter; basal cells broader, ca. 18 µm wide; alar regions distinctly decurrent on one side, hyaline, thin-walled. Brood bodies and rhizoids often present at leaf apex. Dioicous. Inner perichaetial leaves sheathing at base, ovate-lanceolate, abruptly acuminate. Setae 15–20 mm long, somewhat reddish; capsules nearly erect or inclined, shortly cylindrical, 2.0–2.5 mm long; opercula shortly conic-rostrate; annuli well developed, consisting of 2–3 rows of cells; peristome typical for the genus; cilia 2, not nodulose. Spores spherical, 12–15 µm in diameter, nearly smooth.

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There are three varieties of this species found in China.

9a. Plagiothecium neckeroideum var. neckeroideum  

9b. Plagiothecium neckeroideum var. niitakayamae (Toyama) Z. Iwats.

9c. Plagiothecium neckeroideum var. sikkimense Renauld & Cardot  



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