1. Plant Biosystematics and Ecology RG, Department of Botany, Faculty of Sciences; Palacký University; Šlechtitelů 11 783 71 Olomouc Czech Republic
2. Centre of the Region Haná for Biotechnological and Agricultural Research, Department of Biophysics, Faculty of Science; Palacký University; Šlechtitelů 11 Olomouc 783 71 Czech Republic