Polystichum aculeatum Linnaeus, 1753 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Dryopteridaceae genus Polystichum species Polystichum aculeatum Name Homonyms Polystichum aculeatum (L.) Roth Polystichum aculeatum (L.) Schott Polystichum aculeatum (L.) Roth ex Mert.