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56 sunflowers species
Helianthus annuus
Helianthus divaricatus
Helianthus tuberosus
Helianthus pauciflorus
Helianthus maximiliani
Helianthus grosseserratus
Helianthus occidentalis
Helianthus giganteus
Helianthus petiolaris
Helianthus nuttallii
Helianthus strumosus
Helianthus mollis
Helianthus decapetalus
Helianthus hirsutus
Helianthus cusickii
Helianthus pumilus
Helianthus salicifolius
Helianthus angustifolius
Helianthus bolanderi
Helianthus exilis
Helianthus atrorubens
Helianthus carnosus
Helianthus couplandii
Helianthus eggertii
Helianthus floridanus
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