Ambrosia artemisiifolia (Asteraceae) in the Bryansk Region: distribution, naturalization and phytocenotic connections.
The article discusses the distribution of Ambrosia artemisiifolia in the Bryansk Region in recent decades. Since its first discovery in 1971, A. artemisiifolia has significantly strengthened its position in the vegetation cover of the Bryansk Region. Most of the findings were registered in 2019-2021. The main ways of introduction and phytocoenotic connections of this alien species are considered. A. artemisiifolia has successfully naturalized in the Bryansk Region, and has invaded not only anthropogenic habitats, but also some natural biotopes in the floodplain of the Desna River.