| Bidens
cernua
L. nodding bur-marigold Native |
                               
|
| Bidens
connata
Muhl. ex Willd. swamp beggar-ticks Native |
              
|
| Bidens
coronata
(L.) Britton northern tickseed sunflower Native |
                 
|
| Bidens
discoidea
(Torrey et A. Gray) Britton small beggar-ticks Native |
       
|
| Bidens
frondosa
L. beggar-ticks Native |
                     
|
| Bidens
laevis
(L.) B.S.P. smooth marigold Native |
    
|
| Bidens
polylepis
Blake = B. involucrata (Nutt.) Britt. Ozark beggar-ticks Introduced |
         
|
| Bidens
tripartita
L. = B. tripartita (A. Gray) Wiegand leafy-bracted beggar-ticks Introduced |
   
|
| Bidens
vulgata
Greene tall beggar-ticks Native |
          
|