Canada's Plant Hardiness Site
Synonymy
Asteraceae daisy family
Helianthus giganteus L.
En: giant sunflower, tall sunflower, swamp sunflower;
Fr: helianthe geant, soleil geant
Helianthus giganteus L.
En: giant sunflower, tall sunflower, swamp sunflower;
Fr: helianthe geant, soleil geant
- [=Helianthus alienus E.Watson]
- [=Helianthus angustifolius L. subsp. giganteus (L.) Anashch.]
- [=Helianthus borealis E.Watson]
- [=Helianthus giganteus L. subsp. alienus (E.Watson) R.W.Long]
- [=Helianthus giganteus L. var. subtuberosus Britton]
- [=Helianthus nuttallii Torr. & A.Gray var. subtuberosus (Britton) B.Boivin]
- [=Helianthus subtuberosus (Britton) Britton]
- [=Helianthus validus E.Watson]
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