Data on alien plant species of East Asian origin in the Ivanovo region are presented. By 2024, 43 species in total has been recorded in Ivanovo region, with the primary habitats located in East Asia. They belong to one division, 2 classes, 20 families and 36 genera. The most numerous are the Rosaceae family (10 species) and the Poaceae family (9 species). The peculiarity of EastAsian species is their high ability to naturalization: 19 species (44.2 %) of these have become invasive, 10 species (23.3 %) have penetrated into natural communities, competing with native species.

E.A. Borisova, Zh.M. Dmitrieva