Canada's Plant Hardiness Site

Synonymy

Asteraceae daisy family
Helianthus grosseserratus M.Martens
En: thicktooth sunflower, sawtooth sunflower;
Fr: helianthe a grosses dents
  • [=Helianthus grosseserratus M.Martens subsp. maximus R.W.Long]
  • [=Helianthus grosseserratus M.Martens var. hypoleucus A.Gray]
  • [=Helianthus instabilis E.Watson]

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