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!Helodium paludosum (Austin) Broth. 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: Die Natürlichen Pflanzenfamilien I(3): 1019. 736. 1908. (Nat. Pflanzenfam.) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 3/30/2009)
Acceptance : Accepted
Project Data     (Last Modified On 3/30/2009)
General Reference:

Illustration & Map     (Last Modified On 3/30/2009)
Related Objects:
Illustrations: P.-C. Wu (ed.) 2001 (Pl. 108, figs. 13–23).
 
Click here for distribution map.
Map: Helodium paludosum (Austin) Broth. (Distribution in China)

Distribution     (Last Modified On 3/30/2009)
Distribution:
Habitat: usually growing in alpine forest ground or bogs.
Distribution: China, Japan, Russia (Siberia), and North America.
 

Specimens Examined     (Last Modified On 3/30/2009)
Specimens Examined:
Chinese specimens examined: Jilin: An-tu Co., Koponen 36574 (H, PE); Fenghuangshan (Mt.), X.-W. Kong 2274 (PE). Nei Mongol: Daxinganling, P.-C. Chen & C. Gao 956 (IFSBH, PE), 52°12´ N, 120°48´ E, X.-L. Bai 298 (MO, NY, PE). Sichuan: Song-pan Co., Redfearn 35458 (MO).
 

Notes     (Last Modified On 3/30/2009)
general taxon notes:
The distribution of this species in China is very narrow, with only a few specimens collected.

 

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1. Helodium paludosum (Aust.) Broth. 狭叶沼羽藓 xia-ye zhao-yu xian
Nat. Pflanzenfam. I(3): 1009. 1908. Elodium paludosum Aust., Musc. Appalach. 301. 1870. Hypnum paludosum Sull., Musci. Allegh. 6. 1846, hom. illeg. Type. U.S.A. Ohio, Columbus.
 
Plants rather robust, up to 6 cm long, yellowish to yellowish brown, in lax patches. Stems creeping and spreading, regularly pinnately branched; branches ca. 5 mm long; central strand undifferentiated; paraphyllia densely growing on stems and branches, usually filamentous, irregularly branched. Stem leaves appressed when dry, erect-spreading when moist, broad and concave at base, oblong to ovate, gradually acuminate, ca. 1.0–1.5 mm long, slightly plicate and decurrent; median leaf cells narrowly hexagonal, ca. 15–30 µm × 5 µm, thick-walled, finely papillose near the upper corners; apical cells elongate-rhomboidal. Autoicous. Perichaetial leaves ovate-lanceolate to lanceolate at the base, slenderly lanceolate toward apex. Sporophytes not seen.
 
 
 
 
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