Helianthus

Helianthus debilis

Beach sunflower

Helianthus floridanus

Helianthus maximiliani

Maximilian's sunflower

Helianthus resinosus

Helianthus salicifolius

Willow-leaf sunflower

Helianthus schweinitzii

Helianthus silphioides

Odorous sunflower

Helianthus simulans

Helianthus dissectifolius

Helianthus paradoxus subsp. cuatrocienegensis

Helianthus × brevifolius

Helianthus divaricatus

Divergent sunflower

Helianthus californicus

California sunflower

Helianthus winteri

Helianthus hirsutus

Hairy sunflower

Helianthus grosseserratus

Helianthus ambiguus

Helianthus × cinereus

Helianthus nuttallii subsp. nuttallii

Helianthus exilis