1. Taras Shevchenko National University of Kyiv, Volodymyrska st. 64,01033, Kyiv, Ukraine;
2. IMRCP,UMR CNRS 5623 Université deToulouse, 118 route de Narbonne, 31062 Toulouse Cedex 9, France;
3. Institute of Botany, National Academy of Sciences of Ukraine, 2 Tereschenkovskaya St., 01601 Kyiv, Ukraine