#Christmas_fern__canker_brake__dagger_fern__evergreen_wood_fern__Polystichum_acrostichoides North American evergreen fern having pinnate leaves and dense clusters of lance-shaped fronds
supertype: #fern any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
member of: #genus_Polystichum__Polystichum small to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae
member of: #family_Dryopteridaceae__Dryopteridaceae__Athyriaceae__family_Athyriaceae alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems
member of: #class_Filicopsida__Filicopsida__Filicinae__class_Filicinae ferns
member of: #division_Pteridophyta__Pteridophyta containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
member of: #kingdom_Plantae__Plantae__plant_kingdom__plantkingdom taxonomic kingdom comprising all living or extinct plants
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