Aspidium filix-mas var. trapezoides Laubenb. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Dryopteridaceae genus Dryopteris species Dryopteris affinis Name Homonyms Aspidium filix-mas var. trapezoides Laubenb.