1 | Institute of Dendrology, Polish Academy of Sciences, Parkowa 5,
62-035 Kórnik, Poland |
2 | University of Zielona Góra, Institute of Biological Sciences, Szafrana
1, 65-516, Zielona Góra, Poland |
3 | Poznań University of Life Sciences, Department of Botany, Wojska
Polskiego 71c, 60-625 Poznań, Poland |
4 | Poznań University of Life Sciences, Department of Silviculture,
Wojska Polskiego 71a, 60-625 Poznań, Poland |