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Asteraceae (Aster Family)

Ambrosia artemisifolia

Ragweed, Common

Plant TypeForb
Life CycleAnnual
Leaf PatternMixed
Flower Colorgreen
HabitatDisturbed, sunny areas.
DistributionMost of US, excluding the desert southwest.
DescriptionLeaves opposite on the lower portion of the stalk and alternate above. The flowers are small and inconspicuous. The foliage smells sweet and floral when crushed.