Conyza bonariensis (scientific name: Conyza bonariensis) is a plant of Cynanchum in Compositae, which is endemic to China. It is distributed in the central, eastern, southern and southwestern provinces of South America and China. It grows in areas from 285 meters to 3000 meters above sea level, and often grows in fields, wasteland and roadsides. At present, it has not been artificially introduced and cultivated.