Definition that contains genus polystichum
- holly fern tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum
- holly fern any of various ferns of the genus Polystichum having fronds with texture and gloss like holly
- cyrtomium aculeatum tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum
- polystichum aculeatum tropical Old World fern having glossy fronds suggestive of holly; sometimes placed in genus Polystichum
- genus rumohra leatherleaf ferns: in some classifications included in genus Polystichum
- rumohra leatherleaf ferns: in some classifications included in genus Polystichum