introduced and reproducing itself without human assistance. cf. adventive, introduced.

an exotic species that, once introduced into an area, has the capacity to adapt to the new environment, survive in competition with the endemic floral and faunal populations, reproduce itself and establish itself as a persistent part of the plant community in one or more habitat ( see also exotic species)

A plant which is thoroughly established after introduction from another region

exotic or introduced species which have become established

planted so as to give an effect of wild growth; "drifts of naturalized daffodils"

an organism which, though of alien origin manages to run wild and establish self sustaining populations.

Relating to introduced or non-native species that have invaded native communities and become established successfully

An introduced tree or plant that now regenerates naturally and is widespread.