Cystopteris fragilis (L.) Benth. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Polypodiaceae genus Polypodium species Cystopteris fragilis Name Homonyms Cystopteris fragilis (L.) Bernh. Cystopteris fragilis (L.) Benth.