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 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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