| Helianthus
annuus
L. common sunflower, mirasol Introduced |
    
|
| Helianthus
cf. strumosus
L. harsh sunflower Native |
         
|
| Helianthus
decapetalus
L. thin-leaved sunflower Native |
   
|
| Helianthus
divaricatus
L. woodland sunflower Native |
                 
|
| Helianthus
giganteus
L. tall sunflower Introduced |
    
|
| Helianthus
tuberosus
L. Jerusalem artichoke Introduced |
                      
|