Naturalisation aronia Mitschurinii in the forests of European Russia

The features of the morphology and taxonomic status of the aronia of Michurin (Aronia mitschurinii, Rosaceae), known in Russia as the black chokeberry, are given. Its active introduction into natural forest phytocenoses in the north-west of Russia and in a number of regions of the middle belt of Russia was recorded, which poses a potential threat to natural biodiversity