Polystichum deflexum Ching Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Dryopteridaceae genus Polystichum species Polystichum deflexum Name Homonyms Polystichum deflexum Ching ex W.M.Chu Polystichum deflexum Ching