Kosina, Romuald, and Lech Marek. “Synanthropic Flora Near the Medieval Castle Kolno, Stare Kolnie, SW Poland”. Biodiversity: Research and Conservation 71 (September 30, 2023): 31–40. Accessed January 6, 2025. https://pressto.amu.edu.pl/index.php/biorc/article/view/40573.