Determination of invasive danger degree of north American arboreal plants in the south of Russian Far East

Due to the outlined tendency in recent years of uncontrolled use of North American arboreal plants in Primorskiy Krai landscaping, the problem of some colonophytes and epecophytes transition to the category of aggressive agriophytes is arived. On the base of literature analysis and own researches the degree of invasive danger of North American arboreal species in the south of Russian Far East is determined. It is shown that there aren't any tendency of North American arboreal plants naturalization.