Kołodziejek, Jeremi. “Materials to the Polish Flora in the Herbarium of the University of Łódź. Part XX - the Genus Potentilla L. (rosaceae)”. Acta Universitatis Lodziensis. Folia Biologica et Oecologica 4 (January 1, 2008): 51–66. Accessed March 13, 2025. https://czasopisma.uni.lodz.pl/biologica/article/view/18831.