1. URFM, INRAE 84000 Avignon France
2. CEFE, Univ Montpellier, CNRS, EPHE, IRD 34000 Montpellier France
3. CREAF, Bellaterra (Cerdanyola del Vallès) E08193 Catalonia Spain
4. Université Clermont‐Auvergne, INRAE, PIAF 63000 Clermont‐Ferrand France
5. School of Biological Sciences University of Tasmania Hobart Tas. 7001 Australia
6. Fire Sciences Laboratory, Rocky Mountain Research Station USDA Forest Service Missoula MT 59808 USA
7. Univ. Bordeaux, INRAE, BIOGECO 33615 Pessac France
8. Institute of Systematic Botany and Ecology Ulm University D‐89081 Ulm Germany
9. Western Sydney University Penrith NSW 2751 Australia