Synonyms
Vernonia diffusa var. dilatata Glaz.
Vernonia diffusa var. approximata (Less.) Baker
Vernonia approximata Less.
Vernonanthura diffusa (Less.) H.Rob.
Vernonia diffusa var. macrocephala Hieron.
Vernonia diffusa var. ferruginea Toledo
Vernonia adproximata Less.
Cacalia adproximata (Less.) Kuntze
Conyza divaricata Spreng.
Cacalia divaricata (Spreng.) Kuntze