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''Argyrochosma'' is a genus of ferns known commonly as false cloak ferns. The genus is included in the Cheilanthoideae subfamily of the Pteridaceae.〔 Species now in this genus were previously treated as members of related genera ''Notholaena'' or ''Pellaea'' but were segregated into their own genus in 1987. These ferns, of which there are about 20 species, are native to the Americas, from North to South and including the Caribbean. They are commonly found growing in cracks between rocks. Their leaves are generally shorter than 40 centimeters and have rounded bluish or grayish green segments. Often the lower surface of the segments is coated in a white dust, and the sporangia contain brown spores. List of species: *''Argyrochosma chilensis'' *''Argyrochosma dealbata'' - powdery false cloak fern *''Argyrochosma delicatula'' *''Argyrochosma fendleri'' - Fendler's false cloak fern *''Argyrochosma formosa'' *''Argyrochosma incana'' - hairy false cloak fern *''Argyrochosma jonesii'' - Jones' false cloak fern *''Argyrochosma limitanea'' - southwestern false cloak fern *''Argyrochosma lumholtzii'' *''Argyrochosma microphylla'' - small-leaf false cloak fern *''Argyrochosma nivea'' *''Argyrochosma pallens'' *''Argyrochosma palmeri'' *''Argyrochosma peninsularis'' *''Argyrochosma pilifera'' *''Argyrochosma stuebeliana'' ==References== 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「Argyrochosma」の詳細全文を読む スポンサード リンク
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