Asplenium wilfordii subsp. densum Rosenst. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Aspleniaceae genus Asplenium species Asplenium wilfordii Name Homonyms Asplenium wilfordii var. densum Rosenst. Asplenium wilfordii subsp. densum Rosenst.