Marattia purpurascens DeVriese Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Marattiales family Marattiaceae genus Ptisana species Ptisana purpurascens Name Homonyms Marattia purpurascens de Vriese Marattia purpurascens DeVriese