Dryopteris filix-mas var. elongata Brause Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Dryopteridaceae genus Dryopteris species Dryopteris pentheri Name Homonyms Dryopteris filix-mas subsp. elongata Bonap. Dryopteris filix-mas var. elongata Brause