1. Department of Botany, Faculty of Science Charles University Prague Czech Republic
2. Czech Academy of Sciences Institute of Botany Průhonice Czech Republic
3. Department of Botany, Faculty of Science University of South Bohemia České Budějovice Czech Republic
4. Laboratory of Molecular Biology and Cytometry, Department of Agricultural Biotechnology UTP University of Science and Technology Bydgoszcz Poland
5. Centre for Functional Ecology, Department of Life Sciences University of Coimbra Coimbra Portugal