Old World tropical fern; in some classification systems placed directly in family Polypodiaceae.
旧大陆的热带蕨; 在一些分类系统中直接归入水龙骨科.
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英英释义
Noun
1. ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)