Myriopteris gracillima (D.C. Eaton) J. Smith Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Pteridaceae genus Myriopteris species Myriopteris gracillima Name Homonyms Myriopteris gracillima (D.C.Eaton) J.Sm.