Synonomy - Helianthus giganteus

Asteraceae Family

Helianthus giganteus L.

• En: giant sunflower, tall sunflower, swamp sunflower
• Fr: hélianthe géant, soleil géant

• Synonomy Information

  [=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]
  

Helianthus grosseserratus M.Martens

• En: thicktooth sunflower, sawtooth sunflower
• Fr: hélianthe à grosses dents

• Synonomy Information

  [=Helianthus grosseserratus M.Martens subsp. maximus R.W.Long]
  [=Helianthus grosseserratus M.Martens var. hypoleucus A.Gray]
  [=Helianthus instabilis E.Watson]