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Hydrogonium williamsii P.C. Chen 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: Hedwigia 80: 239. pl. 44: f. 6–9. 1941. (Hedwigia) Name publication detailView in Botanicus
 

Project Name Data (Last Modified On 3/13/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/13/2009)
General Reference:

Illustration & Map     (Last Modified On 3/13/2009)
Related Objects:
Illustrations: Zander 1993 (Pl. 45, figs. 13–15, as Barbula williamsii).

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Map: Hydrogonium williamsii P.C. Chen (Distribution in China)

Distribution     (Last Modified On 3/13/2009)
Distribution:
Habitat: on calcareous rocks or on wet rocks near streams.
Distribution: China and the Philippines.
 

Specimens Examined     (Last Modified On 3/13/2009)
Specimens Examined:
Chinese specimens examined: Shandong: Tai Shan (Mt.), C. Gao 33949, 33954 (HKAS, IFSBH). Shanxi: Tai-yuan City, Y.-J. Ling 59008 (HKAS). Xizang: Mo-tuo Co., Y.-G. Su 2268 (HKAS); Zhong-ba Co., K.-Y. Lang 7578 (HKAS). Yunnan: De-qin Co., X.-J. Li 81–1841 (HKAS); Lv-chun Co., M. Zang 421 (HKAS); Yuan-yang Co., X.-J. Li 4913 (HKAS); Zhong-dian Co., X.-J. Li 81–1479, 81–1486 (HKAS).

 

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12. Hydrogonium williamsii P.-C. Chen    钝叶石灰藓 dun-ye shi-hui xian
Hedwigia 80: 239, pl. 44: f. 6–9. 1941. Barbula williamsii (P.-C. Chen) Iwats. & B.-C. Tan, Kalikasan 8: 186. 1979. Type. The Philippines: Luzon, Bagnio, 1500 m, Williams 1673.
 
Plants small, to 15 mm high, yellowish green, in dense tufts. Stems erect, simple or branched. Leaves contorted when dry, erect-spreading when moist, usually concave, narrowly lanceolate, blunt or rounded-obtuse at the apex; margins entire, plane; costa stout, ending just below the apex; upper leaf cells very small, quadrate to pentagonal, or irregularly rectangular, thick-walled, smooth; basal cells oblong-rectangular, more than 10 times longer than the upper cells. Setae slender, ca. 15 mm long, reddish brown; capsules erect, oblong-elliptic ovoid; peristome teeth linear, twisted.
 
 
 
 
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