Several species have been introduced to other parts of the world, notably Hawaii.

It has been introduced to other parts of the world and in some areas has become invasive.

It has been introduced to other parts of Italy.

It has also been introduced to various parts of the world.

It has been introduced accidentally to other parts of the world and has become problematic.

The species was introduced to China and various parts of southern Europe in the 17th century.

More recently, the plant has been introduced to parts of the Americas.

Some species are kept as pets and have been accidentally introduced to various parts of the world.

It has been introduced to other States as well, and to parts of Canada.

This subspecies has been introduced to other parts of the world by people releasing it to the wild.