Polystichum discretum (D.Don) Diels Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Dryopteridaceae genus Polystichum species Polystichum discretum Name Homonyms Polystichum discretum (D.Don) Diels Polystichum discretum (D.Don) J.Sm.