Plains coreopsis (Coreopsis tinctoria)

Plains coreopsis, garden tickseed, golden tickseed,
or calliopsis, ''Coreopsis tinctoria'', is an annual forb. The plant is common to Canada , northeast Mexico , and much of the United States, especially the Great Plains and Southern states where it is often called "calliopsis." The species is also widely cultivated in and naturalized in China.

It often grows in disturbed areas such as roadsides and cultivated fields.