1. Department of Biological Sciences, University of Alberta Edmonton Alberta Canada
2. Geobotany, Regional and Environmental Sciences, University of Trier Trier Germany
3. 'Lendület' Seed Ecology Research Group, Institute of Ecology and Botany, HUN‐REN Centre for Ecological Research Vácrátót Hungary
4. National Laboratory for Health Security, HUN‐REN Centre for Ecological Research Budapest Hungary
5. Institute of Biology/Geobotany and Botanical Garden, Martin Luther University Halle‐Wittenberg Halle (Saale) Germany
6. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Leipzig Germany
7. Department of Biology, The University of Winnipeg Winnipeg MB Canada
8. M.G. Kholodny Institute of Botany, National Academy of Science of Ukraine Kyiv Ukraine
9. Department of Botany and Zoology, Faculty of Science, Masaryk University Brno Czech Republic
10. Department of Ecology, Research and Technical Centre Environmental Safety Pavlodar Kazakhstan
11. Chair of Restoration Ecology, TUM School of Life Sciences, Technical University of Munich Freising Germany