Popiela, Agnieszka, Andrzej Łysko, Zofia Sotek, and Krzysztof Ziarnek. “Preliminary Results of Studies on the Distribution of Invasive Alien Vascular Plant Species Occurring in Semi-Natural and Natural Habitats in NW Poland”. Biodiversity: Research and Conservation 37 (July 16, 2015): 21–35. Accessed July 18, 2024. https://pressto.amu.edu.pl/index.php/biorc/article/view/biorc-2015-0003.