genus Polystichum

Thesaurus

Noun

1.

genus Polystichum - small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in PolypodiaceaePolystichumfern genus - genera of ferns and fern alliesAthyriaceae, 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 systemscanker brake, Christmas fern, dagger fern, evergreen wood fern, Polystichum acrostichoides - North American evergreen fern having pinnate leaves and dense clusters of lance-shaped frondsholly fern - any of various ferns of the genus Polystichum having fronds with texture and gloss like hollyPolystichum setiferum, soft shield fern - European shield fern cultivated in many varieties