Asplenium bulbiferum var. minimum Armstrong Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Polypodiales family Aspleniaceae genus Asplenium species Asplenium bulbiferum Name Homonyms Asplenium bulbiferum var. minimum Armstrong Asplenium bulbiferum subsp. minimum Armstr.