tridax

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. Tridax procumbens The pollen grains of Tridax Tridax procumbens

formerly includedsee Calea Layia Sabazia

Tridax accedens - Calea verticillata

Tridax ehrenbergii - Sabazia sarmentosa

Tridax gaillardioides - Layia gaillardioides

Tridax verticillata ...