Truchan, Mariola, and Zbigniew Sobisz. “Distribution of Cymbalaria Muralis P. Gaertn., B. Mey. & Scherz. In the Central Part of Polish Pomerania”. Biodiversity: Research and Conservation, no. 1-2 (June 30, 2006): 98–101. Accessed February 6, 2026. https://pressto.amu.edu.pl/index.php/biorc/article/view/42031.