Tsymbalyuk, Zoya M., Daniella Ivanova, and Lyudmila M. Nitsenko. 2020. “Taxonomic Significance of Palynomorphological Characteristics of Selected Centranthus (Caprifoliaceae) Species”. Hacquetia 20 (2):243–256. https://doi.org/10.2478/hacq-2021-0021.