Gymnogramma argentea (Willd.) Mett. ex Kuhn Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Pteridaceae genus Cerosora species Cerosora argentea Name Homonyms Gymnogramma argentea (Willd.) Mett. Gymnogramma argentea (Willd.) Mett. ex Kuhn