1. Department of Vegetation Ecology; Institute of Botany; Academy of Sciences of the Czech Republic; Lidická 25/27 Brno CZ-602 00 Czech Republic
2. Department of Botany; Faculty of Science; Charles University; Benátská 2 Praha CZ-128 01 Czech Republic
3. Department of GIS and Remote Sensing; Institute of Botany; Academy of Sciences of the Czech Republic; Zámek 1 CZ-252 43 Průhonice Czech Republic