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Asteraceae daisy famille
Bidens hyperborea Greene
En: estuary beggarticks, coastal beggarticks, northern estuarine beggarticks, seacliff beggarticks;
Fr: bident hyperboreal

• [=Bidens colpophila Fernald & H.St.John]
• [=Bidens hyperborea Greene var. arcuans Fernald]
• [=Bidens hyperborea Greene var. cathancensis Fernald]
• [=Bidens hyperborea Greene var. colpophila (Fernald & H.St.John) Fernald]
• [=Bidens hyperborea Greene var. gaspensis Fernald]
• [=Bidens hyperborea Greene var. laurentiana Fassett]
• [=Bidens hyperborea Greene var. svensonii Fassett]
• [=Bidens hyperborea Greene var. typica Fassett, nom. inval.]