Tridax

Tridax
Tridax procumbens
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Millerieae
Genus:	Tridax L.
Type species
Tridax procumbens L.
Synonyms
Ptilostephium Kunth Mandonia Wedd. Sogalgina Cass. Balbisia Willd. 1803, rejected homonym not Cav. 1804 (Vivianiaceae) nor DC. 1833 (Asteraceae) Bartolia Adans. Bartolina Adans. Carphostephium Cass. Galinsogea Kunth 1818, illegitimate homonym not Willd. 1803

Tridax is a genus of flowering plants in the daisy family.

Tridax is native primarily to the tropical regions of North and South America. Tridax procumbens has become naturalized in the southern United States and is considered a noxious weed in some places.

see Calea Layia Sabazia

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