Osmunda regalis var. albescens Ivery 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. albescens Ivery ex J.Dix Osmunda regalis var. albescens Ivery