Conyza is a genus of flowering plants in the Asteraceae family. It encompasses more than 60 species of annual or perennial herbs, shrubs, or small trees. Several synonyms have been proposed for the name Conyza, including Erigeron, Heterotheca, Laphangium, Pluchea, and Telekia. These synonyms reflect the difficulty of defining clear boundaries among species in this group. Some of the common species in the Conyza genus include Conyza bonariensis, Conyza canadensis, and Conyza sumatrensis. These plants are distributed worldwide and have been used for various medicinal and agricultural purposes. Despite their synonymy, the Conyza genus remains an important group of plants in the Asteraceae family.