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