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nounlarge widespread genus of medium-sized terrestrial ferns; in some classification systems placed in Polypodiaceae
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Definition that contains dryopteris
- wood-fern any of various ferns of the genus Dryopteris
- shield fern any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
- genus phegopteris beech ferns: genus is variously classified: considered alternative name for genus Dryopteris or included in genus Thelypteris
- oreopteris 3 species of ferns formerly included in genus Dryopteris or Thelypteris
- dryopteris noveboracensis slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris
- woodfern any of various ferns of the genus Dryopteris
- thelypteris marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae
- genus thelypteris marsh ferns: in some classification systems considered part of genus Dryopteris in family Dryopteridaceae
- parathelypteris novae-boracensis slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris
- dryopteris oreades a fern of the genus Dryopteris