However, care must be taken, because fertile genotypes of vetiver have become invasive.

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

However, many species have maintained limited distributions, sometimes for decades, before becoming invasive.

On the other hand, in some areas it has become naturalised and invasive.

Several species have become invasive (spreading out of the area they were planted in) and are causing major problems for local wildlife.

The practice of growing non-native water plants has led to several species becoming naturalized or invasive.

Because some of these non-native species have become invasive and pose a threat to the native ecosystems, plans are being developed to control them.

In North America it is an introduced species that has become invasive.

In some parts of Europe and North America the species has become invasive.

By the time it is diagnosed, it has usually become invasive.