All Species in Helianthus
- Alkali Sunflower (Helianthus laciniatus)
- Arizona Sunflower (Helianthus arizonensis)
- Ashy Sunflower (Helianthus mollis)
- California Sunflower (Helianthus californicus)
- Cheerful Sunflower (Helianthus × laetiflorus)
- Common Sunflower (Helianthus annuus)
- Cucumberleaf Sunflower (Helianthus debilis)
- Cusick's Sunflower (Helianthus cusickii)
- Eggert's Sunflower (Helianthus eggertii)
- Fewleaf Sunflower (Helianthus occidentalis)
- Florida Sunflower (Helianthus floridanus)
- Giant Sunflower (Helianthus giganteus)
- Jerusalem Artichoke (Helianthus tuberosus)
- Lakeside Sunflower (Helianthus carnosus)
- Little Sunflower (Helianthus pumilus)
- Longleaf Sunflower (Helianthus longifolius)
- Manyflower Sunflower (Helianthus multiflorus)
- Maximilian Sunflower (Helianthus maximiliani)
- Muck Sunflower (Helianthus simulans)
- Neglected Sunflower (Helianthus neglectus)
- New Mexico Sunflower (Helianthus praetermissus)
- Nuttall's Sunflower (Helianthus nuttallii)
- Paleleaf Woodland Sunflower (Helianthus strumosus)
- Paradox Sunflower (Helianthus paradoxus)
- Porter's Sunflower (Helianthus porteri)
- Prairie Sunflower (Helianthus petiolaris)
- Purpledisk Sunflower (Helianthus atrorubens)
- Rayless Sunflower (Helianthus radula)
- Resindot Sunflower (Helianthus resinosus)
- Rosinweed Sunflower (Helianthus silphioides)
- Sawtooth Sunflower (Helianthus grosseserratus)
- Schweinitz's Sunflower (Helianthus schweinitzii)
- Serpentine Sunflower (Helianthus bolanderi)
- Shortleaf Sunflower (Helianthus × brevifolius)
- Showy Sunflower (Helianthus niveus)
- Silverleaf Sunflower (Helianthus argophyllus)
- Slender Sunflower (Helianthus gracilentus)
- Small Woodland Sunflower (Helianthus microcephalus)
- Smith's Sunflower (Helianthus smithii)
- Smooth Sunflower (Helianthus laevigatus)
- Southeastern Sunflower (Helianthus agrestis)
- Stiff Sunflower (Helianthus pauciflorus)
- Sunflower (Helianthus × cinereus)
- Sunflower (Helianthus × divariserratus)
- Sunflower (Helianthus × doronicoides)
- Sunflower (Helianthus × glaucus)
- Sunflower (Helianthus × kellermanii)
- Sunflower (Helianthus × luxurians)
- Sunflower (Helianthus ×ambiguus)
- Sunflower (Helianthus ×intermedius)
- Sunflower (Helianthus orgyaloides)
- Swamp Sunflower (Helianthus angustifolius)
- Texas Blueweed (Helianthus ciliaris)
- Texas Sunflower (Helianthus praecox)
- Thinleaf Sunflower (Helianthus decapetalus)
- Variableleaf Sunflower (Helianthus heterophyllus)
- Western Sunflower (Helianthus anomalus)
- Whiteleaf Sunflower (Helianthus glaucophyllus)
- Whorled Sunflower (Helianthus verticillatus)
- Willowleaf Sunflower (Helianthus salicifolius)
- Woodland Sunflower (Helianthus divaricatus)