1. Department of Ecology University of Konstanz Konstanz Germany
2. Swiss Federal Institute for Forest, Snow and Landscape Research WSL Birmensdorf Switzerland
3. Global Change Research Centre (Czech Globe) Brno Czech Republic
4. Department of Geography University of Cambridge Cambridge UK
5. Department of Geography, Faculty of Science Masaryk University Brno Czech Republic
6. Deutsche Trüffelbäume Bodman Germany
7. Forest Growth Albert‐Ludwigs University Freiburg Germany
8. NEFAG Zrt. Szolnok Hungary
9. Forest Science and Technology Centre of Catalonia Solsona Spain
10. Laboratory of Excellence ARBRE, INRAE‐Grand Est, Interactions Arbres/Microorganismes INRAE, UMR 1136 INRAE‐University of Lorraine Champenoux France
11. Agrifood Research and Technology Centre of Aragon CITA Zaragoza Spain
12. European Mycological Institute EGTC‐EMI Soria Spain