Hereźniak, Janusz. “Regional List of Extinct and Threatened Vascular Plants of the Northern Pa Rt of the Silesia-Cracow Uplands”. Acta Universitatis Lodziensis. Folia Biologica et Oecologica 1 (January 1, 2002): 39–64. Accessed March 13, 2025. https://czasopisma.uni.lodz.pl/biologica/article/view/20203.