hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas | cosmopolitan genus of usually perennial herbs with flowers that resemble asters; leaves occasionally (especially formerly) used medicinally |
any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas | |
common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron | |