Tsymbalyuk, Z. M., L. M. Nitsenko, and S. L. Mosyakin. “Morphology of Pollen Grains of Weigela Floribunda (Caprifoliaceae): Application in Taxonomy”. Journal of Native and Alien Plant Studies, no. 1 (December 28, 2021): 299–304. Accessed February 4, 2023. http://mchr.sofievka.org/article/view/247735.