1. Postarnak Yu.A., Litvinskaya S.A. Urban flora of the city of Krasnodar. Izvestiya Samarskogo nauchnogo tsentra RAN [Proceedings of the Samara Scientific Center of the Russian Academy of Sciences]. 2011, vol. 13, no. 5–3, 80 p. (In Russian)
2. Lytvinskaya S.A., Abdyeva R.T. Gramineous fraction of the invasive flora of the Caucasus. South of Russia: ecology, development, 2021, vol. 16, no. 4, pp. 56–70. (In Russian) https://doi.org/10.18470/1992-1098-2021-4-56-70
3. Abdıyeva R.T., Litvinskaya S.A. Invasive plant specıes on the southern slope of the Greater Caucasus Azerbaija. Journal of Botany. 2021, vol. 2, no. 1, pp. 48–52.
4. Litvinskaya S.A., Maksimenko S.V. Formation of an alien fraction of the flora of the Western Caucasus and Western Pre–Caucasus. In: Fitoinvazii: ostanovit' nel'zya sdavat'sya [Phytoinvasions: you can't stop giving up] Moscow, MSU Publ., 2022, pp. 326–336. (In Russian)
5. Esipenko L.P. Biological invasions as a global environmental problem in the South of Russia. Yug Rossii: ekologiya, razvitie [South of Russia: ecology, development]. 2012, no. 4, pp. 21–25. (In Russian)