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Pseudostereodon (Broth.) M. Fleisch. Search in The Plant ListSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenSearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Die Musci der Flora von Buitenzorg 4: 1376. 1923. (Musci Buitenzorg) Name publication detailView in BotanicusView in Biodiversity Heritage Library

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

Notes     (Last Modified On 4/3/2009)
general taxon notes:


This is a monotypic genus. It occurs on rocks in cold mountain regions of northern Asia, Europe, and North America.


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20. Pseudostereodon (Broth.) Fleisch.   假丛灰藓属   jia cong hui xian shu
Musci Buitenzorg 4: 1376. 1923. Ctenidium subgen. Pseudostereodon Broth., Nat. Pflanzenfam. I(3): 1048. 1908. Hypnum sect. Pseudostereodon (Broth.) Ando, J. Sci. Hiroshima Univ., Ser. B, Div. 2, Bot. 14: 172. 1973.
Plants robust, rigid, golden yellowish or brownish green, glossy, in dense interwoven mats. Stems prostrate, often more than 5 cm long, with 2–3 ascending secondary stems, not radiculose, densely and regularly pinnately branched; paraphyllia sometimes present on stems and branches; pseudoparaphyllia present at base of branches only, foliose, dentate; in stem cross section epidermal cells not inflated, outer cortical cells in 3–4 layers, thick-walled, medullar cells large; central strand not developed. Stem leaves and branch leaves remarkedly dimorphic; stem leaves 1.4–1.9 mm × 0.5–0.7 mm, falcate-secund, cordate-auriculate at base, gradually lanceolate upward, slenderly acuminate; margins entire; costae unequally double, up to midleaf or sometimes shorter; leaf cells linear, smooth, basal cells narrowly rectangular, usually yellowish brown; alar cells numerous, rounded quadrate, more or less homogeneous, yellowish brown. Dioicous. Setae elongate, reddish brown, twisted when dry; capsules suberect, oblong-ovoid; peristome typically hypnoid. Calyptrae not seen. Spores not seen.

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A monotypic genus.
1. Pseudostereodon procerrimus (Mol.) Fleisch.  
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