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Noun

• 1. hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas

• 2. any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas

• 3. common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron