Also found in: Thesaurus.
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|Noun||1.||Pteretis - small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae|
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