It is also a common weed found in rice fields.

It now exists in the wild as a common weed.

It is a common weed of other crop fields nearby.

A number are common weeds in fields and on disturbed ground.

It has been introduced into many other parts of the world and is a common weed in cultivated ground.

There are some chemicals I can cook out of certain common weeds that'll color my hair.

Calotropis species are considered common weeds in some parts of the world.

It can be found in many places growing as an introduced species and a common weed.

It easily takes hold in disturbed areas, becoming a common weed.

"It is one of the 10 most common weeds."