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| cosmopolitan genus of usually perennial herbs with flowers that resemble asters; cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally ❲Erigeron❳ | ||||
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| perennial having bluish-lilac flowers; perennial having bluish-lilac flowers; introduced in the eastern United States ❲Scabiosa arvensis❳ |