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nounlarge genus of terrestrial ferns of tropics and subtropics; sometimes placed in family Polypodiaceae
Similar:
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Definition that contains pteris
- brake any of various ferns of the genus Pteris having pinnately compound leaves and including several popular houseplants
- family dicksoniaceae tree ferns: genera Dicksonia, Cibotium, Culcita, and Thyrsopteris elegans
- parathelypteris simulata delicate feathery shield fern of the eastern United States; sometimes placed in genus Thelypteris
- gymnocarpium oak ferns: in some classification systems included in genus Thelypteris
- genus oreopteris 3 species of ferns formerly included in genus Dryopteris or Thelypteris
- dicksoniaceae tree ferns: genera Dicksonia, Cibotium, Culcita, and Thyrsopteris elegans
- thelypteridaceae genera Thelypteris, Phegopteris, and others
- wood fern any of various ferns of the genus Dryopteris
- new york fern slender shield fern of moist woods of eastern North America; sometimes placed in genus Dryopteris
- family parkeriaceae coextensive with the genus Ceratopteris; sometimes included in family Polypodiaceae