Polypodium ambiguum Mett. ex Kuhn Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Polypodiaceae genus Polypodium species Polypodium ursipes Name Homonyms Polypodium ambiguum Mett. ex Kuhn Polypodium ambiguum Blume Polypodium ambiguum Desv. Polypodium ambiguum Mett.