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Minnesota Biodiversity Atlas
Helianthus giganteus
L.
Family:
Asteraceae
giant sunflower
, more...
swamp sunflower
[
Helianthus borealis
E. Watson
, more
,
Helianthus giganteus f. verticillatus
Lakela,
Helianthus giganteus var. subtuberosus
Britton,
Helianthus membranaceus
E. Watson,
Helianthus subtuberosus
(Britton) Britton
]
nomenclature
taxonomic source
: FNA v.19-21
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