1. Department of Botany; Charles University; Benátská 2 Prague 128 01 Czech Republic
2. Laboratory of Paleoecology; Institute of Botany; The Czech Academy of Sciences; Lidická 25/27 Brno 602 00 Czech Republic
3. Department of Botany and Zoology; Masaryk University; Kotlářská 2 Brno 611 37 Czech Republic
4. Department of Geological Sciences; Masaryk University; Kotlářská 2 Brno 61137 Czech Republic
5. Department of Archaeology and Museology; Faculty of Arts; Masaryk University; Arna Nováka 1/1 Brno 602 00 Czech Republic
6. Institute of Geology; The Czech Academy of Sciences; Rozvojová 269 Praha 165 00 Czech Republic
7. Department of Archaeology; Faculty of Arts; Comenius University; Gondova 2 Bratislava 814 99 Slovakia
8. Institute of Archaeology; Slovak Academy of Sciences; Akademická 2 165 00 Nitra Slovakia