Bidens frondosa var. anomala Porter Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Bidens species Bidens frondosa Name Homonyms Bidens frondosa var. anomala Porter ex Fernald Bidens frondosa f. anomala (Porter ex Fernald) Fernald Bidens frondosa var. anomala Porter