Toma, Cezary. “Distribution and Comparison of Two Morphological Forms of Water Soldier (Stratiotes Aloides L.): A Case Study on Lake Słosineckie Wielkie (Northwest Poland)”. Biodiversity: Research and Conservation, no. 3-4 (December 30, 2006): 251–257. Accessed December 14, 2025. https://pressto.amu.edu.pl/index.php/biorc/article/view/42601.