1. Aix Marseille Univ, Avignon Université, CNRS, IRD, IMBE, Marseille, France
2. Institute of Ecology and Environmental Sciences, Sorbonne University, Paris, France
3. Department of Plant Biology and Ecology, University of Seville, Seville, Spain
4. MNHN, Paris, France
5. Department of Botany, Faculty of Science, University of Zagreb, Zagreb, Croatia
6. Department of Life and Environment Sciences, University of Cagliari, Cagliari, Italy
7. CNR, IBBR, Florence, Italy
8. School of Natural Sciences, University of Patras, Rio, Greece
9. BIOGECO, INRA, Bordeaux University, Cestas, France
10. INRA, UR629, Ecology of Mediterranean Forests (URFM), Avignon, France