an annual weed, common in rich, damp soils. It is found in Europe and receives its name from the ragged appearance of its leaves. The flowers are small and golden yellow in color. The great ragweed is a species confined to southern, central and eastern states. Its flowers grow in great clusters and are commonly found by the side of roads and in pastures. Other names often applied to this weed are bitterweed, hogweed and Roman wormwood.