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

Athyrium pycnocarpon, Diplazium pycnocarpon, glade fern, narrow-leaved spleenwort, silvery spleenwort - North American fern with narrow fronds on yellowish leafstalks