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|Noun||1.||genus Athyrium - temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium|
fern genus - genera of ferns and fern allies
Athyriaceae, Dryopteridaceae, family Athyriaceae, family Dryopteridaceae - alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
Athyrium filix-femina, lady fern - most widely grown fern of the genus Athyrium for its delicate foliage