Noun genus polystichum has 1 sense
  1. Polystichum, genus Polystichum - small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae
    --1 is a kind of fern genus
    --1 is a member of
     Dryopteridaceae, family Dryopteridaceae, Athyriaceae, family Athyriaceae
    --1 has members:
     Christmas fern, canker brake, dagger fern, evergreen wood fern, Polystichum acrostichoides; holly fern; soft shield fern, Polystichum setiferum
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