Vinogradova, Y.K., Kuklina, A.G., Tkacheva, E.V., Ryabchenko, A.S., Khomutovskiy, M.I. and Shelepova, O.V. 2020. Comparative floral and pollen morphology of some invasive and native impatiens species. Journal of the University of Zulia . 11, 30 (Jul. 2020), 315-335.