Bidens bruceae subsp. swynnertonii Sherff Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Bidens species Bidens buchneri Name Homonyms Bidens bruceae var. swynnertonii Sherff, 1936 Bidens bruceae subsp. swynnertonii Sherff