Common name: Giant Sunflower
Scientific name: Helianthus giganteus
Family: Asteraceae
Giant Sunflower USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 481.
Giant Sunflower USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 482.
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