1. LINCGlobal, Dept of Biogeography and Global Change, National Museum of Natural Sciences, MNCN, CSIC ES‐28006 Madrid Spain
2. Dept of Biodiversity, Ecology and Evolution, Faculty of Biology, Complutense Univ. of Madrid Madrid Spain
3. Area of Biodiversity and Conservation, Dept of Biology and Geology, E.S.C.E.T., Univ. Rey Juan Carlos Móstoles Spain
4. Faculty of Forestry, Stefan cel Mare Univ. of Suceava Suceava Romania
5. Inst. of Biology/Geobotany and Botanical Garden, Martin Luther Univ. Halle‐Wittenberg Halle (Saale) Germany
6. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Leipzig Germany
7. Dept of Biology, Univ. of Firenze Firenze Italy
8. Natural Resources Inst. Finland (Luke) Joensuu Finland
9. Basque Centre for Climate Change (BC3) Leioa Spain
10. IKERBASQUE, Basque Foundation for Science Bilbao Spain
11. Białowieża Geobotanical Station, Faculty of Biology, Univ. of Warsaw Białowieża Poland
12. Faculty of Biology, Geobotany, Univ. of Freiburg Freiburg Germany
13. Dept of Agriculture, Food, Environment and Forestry Laboratories of Botany, Univ. of Firenze Firenze Italy