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