Plants that are not native to our landscapes are also called neophyte plants.
Some of them even become problems for the flora and fauna, such as the Japanese knotweed.

With our boiling hot water steam device, it is supposed to give the knotweed
go to the roots in an environmentally friendly way.

The corresponding article report from om-online.de.
https://www.om-online.de/om/wasserdampf-schockt-die-wurzel-des-ubels-44055

(Quelle: Giorgio Tzimurtas / om-online.de)