Tridax is a genus of flowering plants in the family Asteraceae.Linnaeus, Carl von. 1753. Species Plantarum 2: 900 in LatinTropicos, Tridax L.
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.
Species
formerly included see Calea Layia Sabazia Tridax accedens - Calea verticillata Tridax ehrenbergii - Sabazia sarmentosa Tridax gaillardioides - Layia gaillardioides Tridax verticillata - Calea verticillata
References