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Asteraceae
Helianthus
Helianthus heterophyllus
Helianthus heterophyllus
Nutt., 1834
12% complete
Wetland sunflower
J. Acad. Nat. Sci. Philadelphia 7: 74 (1834)
Specifications
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Synonyms
Helianthus atrorubens subsp. heterophyllus
(Nutt.) Anashch.
Helianthus elongatus
Small