Bidens cernua var. coreopsis Schltdl. Dataset Rank VARIETY Published in Schltdl. (1823). In: 424. Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Bidens species Bidens cernua Name Homonyms Bidens cernua var. coreopsis Pursh Bidens cernua var. coreopsis Schltdl.