Acrostichum pygmaeum Mett. ex Kuhn Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Dryopteridaceae genus Elaphoglossum species Elaphoglossum pygmaeum Name Homonyms Acrostichum pygmaeum Mett. Acrostichum pygmaeum Mett. ex Kuhn