Tsymbalyuk, Zoya M., Sergei L. Mosyakin, and Lyudmila M. Nitsenko. “Taxonomic Significance of Pollen Morphology in Succisa and Succisella”. Biodiversity: Research and Conservation 55 (February 17, 2020): 1–6. Accessed October 20, 2024. https://pressto.amu.edu.pl/index.php/biorc/article/view/biorc-2019-0010.