- holly fern - any of various ferns of the genus Polystichum having fronds with texture and gloss like holly
--1 is a kind of fern
--1 is a member of Polystichum, genus Polystichum
--1 has particulars:Braun's holly fern, prickly shield fern, Polystichum braunii; northern holly fern, Polystichum lonchitis; western holly fern, Polystichum scopulinum - holly fern, Cyrtomium aculeatum, Polystichum aculeatum - tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum
--2 is a kind of fern
- holly fern, Cyrtomium aculeatum, Polystichum aculeatum - tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum