Athyrium distentifolium Tausch Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Athyriaceae genus Pseudathyrium species Pseudathyrium alpestre Name Homonyms Athyrium distentifolium Tausch ex Opiz Athyrium distentifolium Tausch