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nounin some classification systems placed in family Polypodiaceae: chain ferns
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Definition that contains woodwardia
- chain fern a fern of the genus Woodwardia having the sori in chainlike rows
- family blechnaceae one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; includes genera Blechnum, Doodia, Sadleria, Stenochlaena, and Woodwardia
- blechnaceae one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; includes genera Blechnum, Doodia, Sadleria, Stenochlaena, and Woodwardia