Pteretis


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Noun1.Pteretis - small genus sometimes included in genus OnocleaPteretis - 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
fiddlehead, Matteuccia struthiopteris, Onoclea struthiopteris, ostrich fern, Pteretis struthiopteris, shuttlecock fern - tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes