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''Trichomanes'' is a large genus of ferns in the family Hymenophyllaceae, termed bristle ferns. Some botanists place it in its own family, Trichomanaceae. All ferns in the hymenophylloid clade are filmy ferns, with leaf tissue typically 2 cells thick. This thinness generally necessitates a permanently humid habitat, and makes the fronds somewhat translucent. The name bristle fern refers to the small bristle that protrudes from the indusia of these ferns. At least one species now is known to exist solely in its gametophytic stage. ''Trichomanes intricatum'' has no known sporophytes and is native to eastern North America. ==Species== The genus ''Trichomanes'' contains about 300 mostly tropical species,〔Cobb/Farnsworth/Lowe: ''Ferns of Northeastern and Central North America'' 2nd edition, p. 216 (2005)〕 including: * ''Trichomanes alatum'' – Winged bristle fern * ''Trichomanes angustatum'' * ''Trichomanes angustifrons'' – Royal bristle fern * ''Trichomanes bauerianum'' – Bauer's bristle fern〔(''T. bauerianum'' ) Tropicos.org. Missouri Botanical Garden. 12 Jan 2012〕 * ''Trichomanes boschianum'' – Appalachian bristle fern〔(''T. boschianum'' ) eFloras.org Flora of North America 12 Jan 2012〕 * ''Trichomanes capillaceum'' – Treetrunk bristle fern〔(''T. capillaceum'' ) Tropicos.org. Missouri Botanical Garden. 12 Jan 2012〕 * ''Trichomanes crispum'' – Crisped bristle fern * ''Trichomanes cyrtotheca'' – Elegant bristle fern * ''Trichomanes davallioides'' – Kilau * ''Trichomanes hostmannianum'' 〔(''T. hostmannianum'' ) Tropicos.org. Missouri Botanical Garden. 12 Jan 2012〕 * ''Trichomanes intricatum'' – Weft fern〔(''T. intricatum'' ) Tropicos.org. Missouri Botanical Garden. 12 Jan 2012〕 * ''Trichomanes melanopus'', 〔(''T. melanopus'' ) Tropicos.org. Missouri Botanical Garden. 12 Jan 2012〕 * ''Trichomanes paucisorum'' 〔(''T. paucisorum'' ) Tropicos.org. Missouri Botanical Garden. 12 Jan 2012〕 * ''Trichomanes petersii'' – Dwarf bristle fern * ''Trichomanes radicans'' – aerialroot bristle fern * ''Trichomanes reniforme'' 〔(''T. reniforme'' ) Tropicos.org. Missouri Botanical Garden. 12 Jan 2012〕 * ''Trichomanes speciosum'' 〔Northridge, R. and H. 2007. Killarney Fern ''Trichomanes speciosum'' Willd. in Northern Ireland. ''Ir. Nat.J.'' 2007 28: 422-423.〕 * ''Trichomanes tenuissimum'' 〔(''T. tenuissimum'' ) Tropicos.org. Missouri Botanical Garden. 12 Jan 2012〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Trichomanes」の詳細全文を読む スポンサード リンク
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