Tridax procumbens photo Location  Surat, Gujarat India

Tridax procumbens, commonly known as coatbuttons or tridax daisy, is a species of flowering plant in the family Asteraceae. It is best known as a widespread weed and pest plant. It is native to the tropical Americas, but it has been introduced to tropical, subtropical, and mild temperate regions worldwide. 
Scientific name: Tridax procumbens
Family: Asteraceae
Order: Asterales
Kingdom: Plantae