noun hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas.
— synonyms: feabane_mullet, Pulicaria_dysenterica
noun any of several North American plants of the genus Erigeron having daisylike flowers.
noun common North American weed with linear leaves and small discoid heads of yellowish flowers.
— synonyms: horseweed, Canadian_fleabane, Conyza_canadensis, Erigeron_canadensis