Kowalski, W. W. A., Wróbel, M. and Jurzyk-Nordlöw, S. (2018) “The locality of Trapa natans L. within the region of Międzyodrze – dangers and protection perspective (the Lower Oder Valley, West Pomerania)”, Biodiversity: Research and Conservation, 49, pp. 29–36. doi: 10.2478/biorc-2018-0004.