Polypodium pygmaeum Mett. ex Kuhn Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Polypodiaceae genus Grammitis species Grammitis pygmaea Name Homonyms Polypodium pygmaeum Mett. ex Kuhn Polypodium pygmaeum Buchinger Polypodium pygmaeum Buchinger ex Mett.