Quality of seeds Pinus mugo ssp. mugo in culture and natural habitats von H. M. Ponomarenko

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Peculiarities of temporary development of the vegetative shoots of Pinus mugo Turra. in the conditions of introduction into the Rigt-bank Forest-steppe Zone of Ukraine von H. M. Ponomarenko

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Species, hybrids and cultivars of the genus Magnolia L. in the National dendrological park "Sofiyivka” of NAS of Ukraine von V. O. Ponomarenko, H. M. Ponomarenko

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Ecological and coenotic peculiarities of the rare species of spontaneous flora of the National Dendrological park Sofiyivka of the NAS of Ukraine von I. S. Kosenko, A. A. Kuzemko, I. P. Didenko, H. M. Ponomarenko

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