Spontaneous occurrence and dispersion of Aronia x prunifolia [Marshall] rehder [Rosaceae] in Poland on the example of the 'Bagna' bog complex near Chlebowo [western Poland]

This study presents information on a new to Poland synanthropic species - Aronia ×prunifolia (purple chokeberry).Purple chokeberry is cultivated worldwide as a fruit and decorative plant. In various regions of the world the process of its naturalisation outside the places of cultivation has been observed. In Europe, it is visible, among others, in Holland and Germany. In Poland, the first case was recorded in the "Bagna" bog complex near Chlebowo (Wielkopolska region). In this study, the distribution of Aronia ×prunifolia in Poland has been presented (square ATPOL BC67, BC68) as well as its spread and conditions of occurrence.