Aspidium ×christii Le Grand, 1901 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Dryopteridaceae genus Polystichum species Polystichum illyricum Name Homonyms Aspidium christii (Copel.) C.Chr. Aspidium ×christii Le Grand, 1901