Marattia howeana (W.R.B.Oliv.) R.S.Green Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Marattiales family Marattiaceae genus Ptisana species Ptisana howeana Name Homonyms Marattia howeana (W.R.B.Oliv.) P.S.Green Marattia howeana (W.R.B.Oliv.) R.S.Green