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56 sunflowers species
Helianthus longifolius
Helianthus neglectus
Helianthus porteri
Helianthus praecox
Helianthus radula
Helianthus resinosus
Helianthus schweinitzii
Helianthus silphioides
Helianthus smithiorum
Helianthus devernii
Helianthus winteri
Helianthus simulans
Helianthus californicus
Helianthus deserticola
Helianthus ciliaris
Helianthus paradoxus
Helianthus dissectifolius
Helianthus verticillatus
Helianthus gracilentus
Helianthus inexpectatus
Helianthus niveus
Helianthus microcephalus
Helianthus debilis
Helianthus anomalus
Helianthus agrestis
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