Common Ragweed
Scientific Name: Ambrosia artemisiifolia
Family: Asteraceae
Description: Coarse, hairy-stemmed annual with inconspicuous flowers in elongated clusters
Habitat: Cultivated fields or old fields, waste places, and roadsides
Range: Throughout eastern North America
Comments: Cause of hay fever. Seeds persist into winter and are numerous and rich in oil, and thus relished by songbirds and upland game birds.
Source: National Audubon Society, Field Guide to North American Wildflowers: Eastern Region
Photograph: Used with permission from Patrick Alexander.
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