Fleabane is a common name for some flowering plants in the family Asteraceae. Most are in the subfamily Asteroideae: Conyza (butterweeds or horseweeds: Astereae) Erigeron (Astereae) Inula ("yellowheads": Inuleae) Pluchea (camphorweeds: Inuleae) Pulicaria (Inuleae) Vernonia (ironweeds: Vernonieae) Asteraceae