Synonyms
Bidens hyperborea var. cathancensis Fernald
Bidens hyperborea var. arcuans Fernald
Bidens hyperborea var. typica Fassett
Bidens hyperborea var. gaspensis Fernald
Bidens hyperborea var. colpophila Fernald
Bidens colpophila Fernald & H.St.John
Bidens hyperborea var. svensonii Fassett
Bidens hyperborea var. laurentiana Fassett