Tsymbalyuk, Zoya M., Sergei L. Mosyakin, and Lyudmila M. Nitsenko. 2020. “Taxonomic Significance of Pollen Morphology in Succisa and Succisella”. Biodiversity: Research and Conservation 55 (February):1-6. https://doi.org/10.2478/biorc-2019-0010.