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