• Research Articles •
Ivan Frolov1*, Jan Vondrák2,3, Jiří Košnar3, Ulf Arup4
1RussianAcademyofSciences, Ural Branch:InstituteBotanic Garden, Vosmogo Marta 202a st., 620144,Yekaterinburg,Russia
2Institute of Botany of the Czech Academy of Sciences, Zámek 1, CZ-252 43 Průhonice, Czech Republic
3Department of Botany, Faculty of Science, University of South Bohemia, Branišovská 1760, CZ-370 05 České Budějovice, Czech Republic
4BotanicalMuseum,LundUniv., Box 117, SE-221 00Lund,Sweden
*Author for correspondence. E-mail: ivfrolov@gmail.com.