Asplenium adiantum-nigrum f. adiantum-nigrum Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Aspleniaceae genus Asplenium species Asplenium adiantum-nigrum Name Homonyms Asplenium adiantum-nigrum subsp. adiantum-nigrum Asplenium adiantum-nigrum var. adiantum-nigrum Asplenium adiantum-nigrum f. adiantum-nigrum