Jiří DoležalInstitute of BotanyThe Czech Academy of SciencesPrůhonice, Czech RepublicandDepartment of BotanyFaculty of ScienceUniversity of South BohemiaČeské Budějovice, Czech Republic Miroslav DvorskýInstitute of BotanyThe Czech Academy of SciencesPrůhonice, Czech Republic Annett BörnerCalyptra Pty LtdAdelaide, Australia Jan WildInstitute of BotanyThe Czech Academy of SciencesPrůhonice, Czech Republic Fritz Hans SchweingruberSwiss Federal Research Institute WSLBirmensdorf, Switzerland