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Published In: Bryologia Europaea 5: 163. 482, 483 (fasc. 49–51 Mon. 7. 2, 3.). 1852. (Bryol. Eur.) Name publication detail

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: Watanabe 1972 (Pl. 2, figs. 1–18).
Click here for distribution map.
Map: Thuidium tamariscinum (Hedw.) Schimp. (Distribution in China)

Distribution     (Last Modified On 3/30/2009)
Habitat: often growing with Hylocomium splendens and Rhytidium rugosum in subalpine forest regions.
Distribution: China, Japan, Russia (Far East), Europe, and Jamaica.

Specimens Examined     (Last Modified On 3/30/2009)
Specimens Examined:
Chinese specimens examined: North China: without exact data. Taiwan: Tai-pei Co., M.-J. Lai 7330 (MO). Reported from Sichuan (Ma-er-kang Co., Nan-ping Co., and Song-pan Co.) by Y.-M. Fan & Koponen (2001).

Notes     (Last Modified On 3/30/2009)
general taxon notes:
This species is very close to Thuidium delicatulum (Hedw.) Mitt., but the latter species is distinguished by having papillosely piliferous leaf apices and densely papillose leaf cells.


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11. Thuidium tamariscinum (Hedw.) Bruch & Schimp. in B. S. G. 密枝羽藓 mi-zhi yu xian
Bryol Eur. 5: 163, 482. 1852. Hypnum tamariscinum Hedw., Sp. Musc. Frond. 261. 1801. Type. France.
Thuidium tamariscifolium Lindb., Not. Sällsk. Fauna Fl. Fenn. Förh. 13: 415. 1874, hom. illeg.
Plants large, up to 15 cm long, yellowish green or brownish green, in densely interwoven mats. Stems procumbent, regularly bi- to tripinnately branched; branches about 1 cm long; central strand present; paraphyllia numerous, foliose or filamentous. Stem leaves appressed when dry, erecto-patent when moist, widely triangular to triangularly ovate, gradually tapering into a short acumen, slightly plicate, about 1.0–1.5 mm × 0.5–1.0 mm; margins serrulate; costa stout, vanishing at upper portion of leaf, often papillose on the back; leaf cells rhomboidal to oblong, median leaf cells about 6–20 µm long, unipapillose; branch leaves ovate to widely ovate, concave shortly acute, about 0.50 mm × 0.75 mm long; costa vanishing below leaf apex. Dioicous. Perichaetial leaves larger, sheathing at base, suddenly narrowed to a long reflexous apex, slightly ciliate at shoulder, serrate above, costa excurrent. Setae slender, reddish brown, up to 2 cm long, smooth; capsules cylindrical, slightly asymmetrical, about 3 mm long, horizontal, dark reddish brown; opercula conical; exostome teeth reddish brown, grossly papillose above; endostome segments as long as the teeth, finely papillose above; lightly yellowish; basal membrane about 1/2 the height of segments; cilia 2–3, finely papillose. Spores ca. 20 µm in diameter.
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