1. Department of Biological Sciences Royal Holloway University of London EghamTW20 0EXUK
2. Matthias Schleiden Institute/GeneticsFriedrich Schiller University Jena JenaD‐07743Germany
3. Plant Cell Biology Department of Biology University of Marburg MarburgD‐35043Germany
4. Swiss Light Source Paul Scherrer Institute VilligenCH‐5232Switzerland
5. Department of Earth Sciences Royal Holloway University of London EghamTW20 0EXUK
6. Botanischer Garten der Ruhr‐Universität Bochum Universitätsstraße 150 BochumD‐44780Germany
7. The Royal Botanic Gardens, Kew Wellcome Trust Millennium Building Wakehurst Place Ardingly West SussexRH17 6TNUK
8. Laboratory of Growth Regulators Palacký UniversityInstitute of Experimental BotanyCzech Academy of Sciences OlomoucCZ‐78371Czech Republic