Asteraceae/Compositae (Aster/Composit Family)
Synonym(s): Great Ragweed, Giant Ragweed
Base Flower Color: Green, Brown (incl. Maroon)
Reproductive Phenology: Jul, Aug, Sept, Oct, Nov
Bloom Notes: This is the giant among the ragweeds, reaching towering heights and possessing long flower spikes.
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Similar Species: Annual Ragweed, Short Ragweed (Ambrosia artemisiifolia L.)