Jackowiak, Bogdan, Zbigniew Celka, Julian Chmiel, Karol Latowski, and Waldemar Żukowski. 2017. “Checklist of the Vascular Flora of Wielkopolska (Poland): Casual Alien Species”. Biodiversity: Research and Conservation 46 (June):35-55. https://doi.org/10.1515/biorc-2017-0008.