Helianthus agrestis Pollard species accepted

Helianthus angustifolius L. species accepted

Helianthus annuus L. species accepted

Helianthus argophyllus Torr. & A. Gray species accepted

Helianthus cusickii A. Gray species accepted

Helianthus debilis Nutt. species accepted

Helianthus decapetalus L. species accepted

Helianthus deserticola Heiser species accepted

Helianthus dissectifolius R. C. Jacks. species accepted

Helianthus divaricatus L. species accepted

Helianthus eggertii Small species accepted

Helianthus exilis A. Gray species accepted

Helianthus floridanus A. Gray ex Chapm. species accepted

Helianthus giganteus L. species accepted

Helianthus glaucophyllus D. M. Sm. species accepted

Helianthus gracilentus A. Gray species accepted

Helianthus grosseserratus M. Martens species accepted

Helianthus heterophyllus Nutt. species accepted

Helianthus inexpectatus D. J. Keil & Elvin species accepted

Helianthus × kellermanii (Britton) R. W. Long species accepted

Helianthus laciniatus A. Gray species accepted

Helianthus × laetiflorus Pers. species accepted

Helianthus laevigatus Torr. & A. Gray species accepted

Helianthus longifolius Pursh species accepted

Helianthus microcephalus Torr. & A. Gray species accepted

Helianthus mollis Lam. species accepted

Helianthus neglectus Heiser species accepted

Helianthus niveus (Benth.) Brandegee species accepted

Helianthus occidentalis Riddell species accepted

Helianthus paradoxus Heiser species accepted

Helianthus pauciflorus Nutt. species accepted

Helianthus porteri (A. Gray) Pruski species accepted

Helianthus praecox Engelm. & A. Gray species accepted

Helianthus pumilus Nutt. species accepted

Helianthus radula (Pursh) Torr. & A. Gray species accepted

Helianthus resinosus Small species accepted

Helianthus salicifolius A. Dietr. species accepted

Helianthus schweinitzii Torr. & A. Gray species accepted

Helianthus silphioides Nutt. species accepted

Helianthus simulans E. Watson species accepted

Helianthus strumosus L. species accepted

Helianthus tuberosus L. species accepted

Helianthus verticillatus Small species accepted

Helianthus winteri J. C. Stebbins species accepted

Helianthus × alexidis B. Boivin species accepted

Helianthus × divariserratus R. W. Long species accepted

Helianthus × intermedius R. W. Long species accepted

Helianthus atrorubens L. species accepted

Helianthus arizonensis R. C. Jacks. species accepted

Helianthus anomalus S. F. Blake species accepted

Helianthus bolanderi A. Gray species accepted

Helianthus petiolaris Nutt. species accepted

Helianthus maximiliani Schrad. species accepted

Helianthus nuttallii Torr. & A. Gray species accepted

Helianthus hirsutus Raf. species accepted

Helianthus carnosus Small species accepted

Helianthus ciliaris DC. species accepted

Helianthus californicus DC. species accepted

Helianthus × ambiguus (Torr. & A. Gray) Britton species accepted

Helianthus smithiorum Heiser species accepted

Helianthus devernii Draper species accepted

Helianthus × brevifolius (E. Watson) R. C. Jacks. & Guard species accepted

Helianthus × cinereus (Torr. & A. Gray) R. C. Jacks. & Guard species accepted

Helianthus × doronicoides (Lam.) R. C. Jacks. species accepted

Helianthus × glaucus (Small) D. M. Sm. & Guard species accepted

Helianthus × luxurians (E. Watson) R. W. Long species accepted