[1] Baglei, O.V. (2008). Evaluation of the vitality structure of populations of some species of the genus Saussurea in the Ukrainian Carpathians. Herald of Chernivtsy University: Biologia, 373, 9-15. (in Ukr.).

[2] Berko, Ji.M. (1976). To the question of study and periodization of the large life cycle of vegetatively mobile plants. Ukrainian Botanical Journal, 33(6), 604–607. (in Ukr.)

[3] Chekanov, M.M., & Didenko, I.P. (2013). Age and vitality structure of Pulsatilla pratensis L. populations in Middle Pobuzhzhia. Scientific Herald of Chernivtsy University. Biology (Biological System), 5 (2), 220-223. http://ibhb.chnu.edu.ua/uploads/files/vb/BS_T5_V2_2013.pdf (in Ukr.)

[4] Didukh, Y.P., Kagalo, O.O., & Procz, B.G. (red.) (2012, March 21-22). Biotopes (settlements) of Ukraine: scientific bases of their research and practical results of inventory. Materials of the working seminar, Kyiv-Lviv, 194. (in Ukr.)

[5] Didukh, Y.P., Fitsailo, T.V., Korotchenko, I.A., Iakushenko, D.M., & Pashkevich, N.A. (2011). Habitats of forest and forest-steppe zones of Ukraine. Kyiv: MAKROS, 288. (in Ukr.)

[6] Didukh, Y.P. (1998). Population ecology. Kyiv: Fitosotsiotsentr, 192. (in Ukr.)

[7] Kagalo, O.O., & Kolodij, V.A. (2013). Features and prospects of realization of settlement approaches to preservation of natural populations of rare species (on an example of Schivereckia podolica (Bess.) Andrz. Ex DC. Scientific Herald of Chernivtsy University. Biology (Biological System), 5(1), 39 – 43. (in Ukr.)

[8] Kovalenko, I.M. (2005). The population structure of dominant grass-shrub layers in the forest phytocenoses of the Desnyansk-Starogut National Nature Park. Ontogenetic structure. Ukrainian Botanical Journal, 62(5), 707-714. (in Ukr.)

[9] Kyyak, V. (2015). Age and ontogenetic structure in plants - the need for differentiation. Visnyk of Lviv University. Biological series, 70, 162 – 172 (in Ukr.) http://publications.lnu.edu.ua/bulletins/index.php/biology/article/view/4273

[10] Kyrylchuk, K.S. (2007). Age and vitality structure of legume populations on floodplain meadows of the Psel River (Forest-steppe zone) under conditions of economic use. Ukrainian Botanical Journal, 64(3), 418-424. (in Ukr.)

[11] Marynych, O.M., & Shyshchenko, P.G. (1993). Physical and geographic zoning of Ukraine. Geographical encyclopedia of Ukraine, 3, Kyiv, 340-343. (in Ukr.)

[12] Melnyk, A.V. (1999). Ukrainian Carpathians: ecological and landscape research. Lviv. 286 s. (in Ukr.)

[13] Minarchenko, V.M., Tymchenko, I.A., & Solomakha, T.D. (2005). Medicinal plants of Prykarpattia: resource and medical importance. Bukovinian Medical Herald, 2(4), 8-15. (in Ukr.)

[14] Rudenko, L.G. (2007). National Atlas of Ukraine. Kyiv: DNVP. (in Ukr.)

[15] Rabotnov, T.A. (1950). Issues of studying the composition of populations for the purposes of phytocenology. Problems of botany, 1, 465 – 483. (in Russian)

[16] Riznychuk, N.I. (2007). To the information about the age structure of the populations of Polygonatum multiflorum L. in the Prylukva highlands (Peredkarpattya). Herald of Vasyl Stefanyk Precarpathian National University. Series Biology, VII-VIII, 46-47. (in Ukr.)

[17] Riznychuk, N.I., Mylenka, M.M., Hniezdilova, V.I., & Melnychenko, H.M. (2019). Anatomical features of the generative organs structure of the Polygonatum Mill. Species. Scientific Bulletin of the Uzhhorod University. Series Biology, 46-47, 66 –72. https://doi.org/10.24144/1998-6475.2019.46-47.66-72 (in Ukr.)

[18] Skliar, V.G. (2014). Natural restoration of the leading forest-forming species of Novgorod-Siverskyi Polissia: realized ecological niches and their dynamics. Ukrainian Botanical Journal, 71(1), 8-16. https://doi.org/10.15407/ukrbotj71.01.008 (in Ukr.)

[19] Smirnova, O.V., & Toropova N.A. (1974). On the similarity of life cycles and age composition of populations of some long-rhizome plants. Age composition of flowering plant populations in connection with their ontogeny. MGPI. (in Russian)

[20] Ziman, S.M., Mosiakin, S.L., Bulah, O.V., Tsarenko, O.M., & Felbaba-Klushyna, L.M. (2004). Illustrated handbook on the morphology of flowering plants. Educational and methodological manual. Medium. (in Ukr.)

[21] Dyduch-Falniowska, A., & Zając, K., (ed.) (1996). CORINE biotopes in the integration of natural data in Poland. Instytut Ochrony Przyrody PAN. Kraków, 136 p. (in Polish)

[22] Davies, C.E., & Moss, D. (1999). EUNIS Habitat Classification. Final Report to the European Topic Centre on Nature Conservation. European Environment Agency, 256 p.

[23] Davies, C.E., Moss, D., & Hill, M.O. (2004). EUNIS Habitat Classification Revised 2004. Report to European Environmental Agency, European Topic Centre on Nature Protection and Biodiversity, 307 р.

[24] Davies, C.E., & Moss, D. (2002). EUNIS Habitat Classification, February 2002. European Topic Centre on Nature Protection and Biodiversity, Paris.

[25] Devillers, P., Devillers-Terschuren, J., & Ledant, J. P. (1991). CORINE biotopes manual. Habitats of the European Community. Commission of the European. Luxembourg:. Vol. 2.

[26] EEA (2004). EUNIS web application. http://eunis.eea.eu.int/index.jsp

[27] Interpretation manual of european union habitats. (2003, October). NATURA 2000 (EUR 25). European Commission DG Environment, 126 p.