Osmunda regalis var. palustris (Schrad.) C.Chr. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Osmundales family Osmundaceae genus Osmunda species Osmunda spectabilis Name Homonyms Osmunda regalis subsp. palustris (Schrad.) Á.Löve & D.Löve Osmunda regalis var. palustris (Schrad.) C.Chr. ex Angely Osmunda regalis var. palustris (Schrad.) C.Chr.