1. Bairak, O.M., Shevel’, I.M., Gritsai, I.A., et al., Botanichnii zakaznik “Drabinivka” (Botanical Reserve “Drabinivka”), Poltava: Verstka, 2006.
2. Parnikoza, I.Yu., Trots’ka, T.B., Trots’kii, M.O., and Kunakh, V.A., The state of Iris pumila L. populations from different regions of Mikolaiv region, in Materiali drugikh naukovikh chitan' pam’yati Sergiya Tarashchuka (Proc. Scientific Readings in Memory of Sergei Tarashchuk), Mikolaiv, 2011, pp. 112–115.
3. Strasburger, E., Uber Reduktionstheilung, Spindelbildung, Centrosome und Cilienbildner in Pflanzenreich, Hist. Beitr., 1900, vol. 6, pp. 1–284.
4. Twardovska, M.O., Andreev, I.O., and Kunakh, V.A., Kariotypes of species of the genus Iris L. of the flora of Ukraine, Ukr. Bot. Zh., 2014, vol. 71, no. 5, pp. 581–588.
5. Randolph, L.F. and Mitra, J., Karyotypes of Iris pumila and related species, Am. J. Bot., 1959, vol. 46, no. 2, pp. 93–102.