1. Department of Botany and Zoology; Masaryk University; Kotlářská 2 Brno 611 37 Czech Republic
2. Institute of Botany of the Czech Academy of Sciences; Zámek 1 Průhonice 252 43 Czech Republic
3. Nikitsky Botanical Garden; Nikitsky Spusk 52, Yalta Nikita Crimea
4. Department of Biodiversity and Plant Systematics; Centre for Organismal Studies (COS) Heidelberg; Heidelberg University; Im Neuenheimer Feld 345 Heidelberg 69120 Germany
5. South-Siberian Botanical Garden; Altai State University; Lenina 61 Barnaul 656049 Russia
6. Laboratory of Paleoecology; Institute of Botany of the Czech Academy of Sciences; Lidická 25/27 Brno 602 00 Czech Republic
7. Department of Botany; Moravian Museum; Hviezdoslavova 29a Brno 627 00 Czech Republic
8. Biology Department; University of New Mexico; Albuquerque NM 87131 USA
9. Department of Zoology; Faculty of Science; University of South Bohemia; Branišovská 31 České Budějovice 370 05 Czech Republic
10. Montis Centrum; 330 36 Čerňovice 238 Czech Republic
11. Institute of Plant Sciences, NAWI Graz; University of Graz; Holteigasse 6 Graz 8010 Austria
12. Faculty of Biology; Department I, Systematic Botany and Mycology; University of Munich; Menzinger Str. 67 Munich 80638 Germany
13. Milan Valachovič, Plant Science and Biodiversity Center; Institute of Botany; Slovak Academy of Sciences; Dúbravská cesta 9 Bratislava 845 23 Slovakia