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