Shandong, Henan, Anhui, Jiangsu, Zhejiang, Fujian, Hubei, Jiangxi and Guangxi. Born in fields or on the edge of wasteland, it is a field weed. Native to America, distributed in Europe.

The country of origin is the United States; Now it is widely transplanted in Europe and Asia.

The specimens were collected in Wuchang 1933, Hubei, and distributed in Anhui, Fujian, Guangdong, Guangxi, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Inner Mongolia, Shandong, Taiwan Province, Yunnan, Zhejiang, Hainan, Guizhou and Hubei.