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''Athyrium'' (lady-fern) is a genus of about 180 species of terrestrial ferns, with a cosmopolitan distribution. It is placed in the family Athyriaceae, in the order Polypodiales.〔〔 Its genus name is from Greek ''a-'' ('without') and Latinized Greek ''thureos'' ('shield'), describing its inconspicuous indusium (sorus' covering). The common name "lady fern" refers in particular to the common lady fern.〔Entry "lady fern", ''New Oxford American Dictionary 3rd edition'' (2010) by Oxford University Press, Inc.〕 ''Athyrium'' species are used as food plants by the larvae of some Lepidoptera species including Small Angle Shades and ''Sthenopis auratus''. ==Species== There are about 180, including: 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「Athyrium」の詳細全文を読む スポンサード リンク
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