Osmunda regalis var. cristata H.Osborn Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Osmundales family Osmundaceae genus Osmunda species Osmunda regalis Name Homonyms Osmunda regalis var. cristata H.Osborn Osmunda regalis var. cristata H.Osborn ex J.Dix