Asplenium adiantum-nigrum var. nigrum Lam. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Aspleniaceae genus Asplenium species Asplenium adiantum-nigrum Name Homonyms Asplenium adiantum-nigrum subsp. nigrum (Lam.) Heufl. Asplenium adiantum-nigrum subsp. nigrum Hegi Asplenium adiantum-nigrum var. nigrum Lam. Asplenium adiantum-nigrum var. nigrum Lam. ex Heufl.