Meaning : Hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas.
Synonyms : feabane mullet, pulicaria dysenterica
Meaning : Any of several North American plants of the genus Erigeron having daisylike flowers. Formerly believed to repel fleas.
Meaning : Common North American weed with linear leaves and small discoid heads of yellowish flowers. Widely naturalized throughout temperate regions. Sometimes placed in genus Erigeron.
Synonyms : canadian fleabane, conyza canadensis, erigeron canadensis, horseweed