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Published In: Bericht über die Thätigkeit der St. Gallischen Naturwissenschaftlichen Gesellschaft 1876–77: 260 (Gen. Sp. Musc. 2: 326). 1878. (Ber. Thätigk. St. Gallischen Naturwiss. Ges.) 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: P.-C. Wu (ed.) 2001 (Pl. 102, figs. 9–17).
Click here for distribution map.
Map: Thuidium assimile (Mitt.) A. Jaeger (Distribution in China)

Distribution     (Last Modified On 3/30/2009)
Habitat: on forest ground, rocks or tree trunks; alt. 2000–3600 m.
Distribution: China, Japan, Russia (Siberia), Europe, and North America.

Specimens Examined     (Last Modified On 3/30/2009)
Specimens Examined:
Chinese specimens examined: Guizhou: Leigongshan (Mt.), B.-C. Tan 91-1031 (FH). Hebei: Dong-ling, C.-Y. Yang 204 (BM). Henan: Song Co., J.-X. Luo 391 (PE). Hubei: Mt. Shennongjia, 1980 Sino-Amer. Exped. No. 281B, 842 (NY). Jilin: Mt. Changbai, C. Gao 22146 (NY), B.-D. Xin 0275 (MO, PE). Nei Mongol: E-erguna You Qi (Co.), X.-L. Bai 194 (HIMC); Mt. Wala, 40°42´ N, 109°24´ E, X.-L. Bai 185 (HIMC, NY). Qinghai: Mengda, Tianchi, H. D. Ding 21722 (PE); Yu-shu Co., B.-C. Tan 95-1729 (FH, MO). Shaanxi: Bao-ji (Pao-ki) Co., Hugh 360 (BM); Feng Co., M-.X. Zhang 1364 (MO, PE); Fo-ping Co., S.-E. Liu & P.-Q. Zhong 4410 (NY); Hu Co., Z.-P. Wei 4809 (NY); Mt. Qin-ling, P.-C. Chen et al. 25 (MO, PE), Hugh 99 (BM); Mt. Tai-bai (Miao-wan), Hugh 28 (BM); Xi-an (Seian) City, Hugh 290 (BM). Shandong: Qing-dao City, C. Gao & E.-Z. Bai 34572 (IFSBH, MO). Sichuan: Mt. Omei, April 1982, Ratcliffe s.n. (BM); Nan-ping Co., S.-Y. Zeng 105a (HKAS); between Yanyuen Co. to Yonqnin, Handel-Mazzetti 2948 (H); Xi-chang (Ningyüan) City, Handel-Mazzetti 1514 (H). Xinjiang: He-jing Co., S. He 951172 (MO); Urumqi Co., S. He 951014 (MO). Yunnan: An-ning Co., Koponen 38028 (as Thuidium cymbifolium, NY); Lu-liang Co, Ma-ming-zhen (Ma-eul-chan), Delavay s.n. (BM, PC). Zhejiang: Tiantaishan (Mt.), Faber 7 (H).

Notes     (Last Modified On 3/30/2009)
general taxon notes:
This species is characterized by its piliferous stem leaf apices that are usually 2–5 cells long and by having entire margins of inner perichaetial leaves.


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1. Thuidium assimile (Mitt.) Jaeg. 绿羽藓 lv-yu xian
Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1876–77: 260. 1878. Leskea assimilis Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 133. 1859. Type. India: West Himalayas, Kumaon, Strachey & Winterbottom s.n.
Thuidium intermedium Philib., Rev. Bryol. 20: 33. 1893, nom. illeg.
Thuidium philibertii Limpr., Laubm. Deutschl. 2: 835. 1895. Synonymized by Touw (2001a).
Thuidium pycnothallum (C. Müll.) Par., Index Bryol. 1289. 1898. Tamarisicella pycnothalla C. Müll., Nuovo Giorn. Bot. Ital., n. ser. 3: 116. 1896. Syntypes. China: Shaanxi (Schen-si), Si-ku-tziu-san, Lao-iu-hur, July 1894, Giraldi s.n.; Huo-gia-ziez, Sept. 1894, Giraldi s.n.; Hua-tzo-pin, 20 June 1894, Giraldi s.n.; Khiu-Lin-san, June 1894, Giraldi s.n.; Zu-lu, Aug. 1894, Giraldi s.n.
Plants large, up to 7 cm long, yellowish green, brownish green when old, in large, interwoven mats. Stems creeping or ascending above, regularly pinnately branched; central strand present; paraphyllia densely growing on stems, foliose or filamentous, branched. Stem leaves ca. 1.8 mm long, triangularly ovate, plicate, gradually tapering to a narrow lanceolate and piliferous apex, mostly consisting of 2–5 cells, sometimes secund; margins more or less revolute, serrate; costa percurrent, papillose on back; median leaf cells rhomboidal or oblong, 5–20 µm long, thick-walled, unipapillose; apical cells hyaline, smooth; branch leaves concave, ovate to ovate-triangular, with a short apex, ca. 1 mm long, apical cells multipapillose. Dioicous. Perigonial leaves ovate-lanceolate, concave below. Inner perichaetial leaves narrowly lanceolate, up to 2 mm long, margins serrate, smooth, without hairs. Setae reddish brown, ca. 2 cm long, smooth; capsules about 3 mm long; peristome double; exostome teeth broadly lanceolate, reddish brown, papillose above; endostome segments as long as the exostome teeth, finely papillose; basal membrane about 1/2 the length of endostome segments; cilia 2–3. Spores 10–15 µm in diameter, finely papillose.


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