1. Ecology and Evolutionary Biology, School of Biosciences University of Sheffield Sheffield UK
2. Section for Forest, Nature and Biomass, Department of Geosciences and Natural Resource Management University of Copenhagen Frederiksberg C Denmark
3. Molecular Ecology and Evolution Bangor University, Environment Centre for Wales Bangor UK
4. Royal Botanic Gardens Surrey UK
5. Institut Botànic de Barcelona (IBB), CSIC‐Ajuntament de Barcelona Barcelona Spain
6. Department of Biological Science The University of Queensland St Lucia Queensland Australia
7. Department of Plant and Soil Sciences University of Pretoria Hatfield South Africa
8. National Herbarium of New South Wales, Australian Institute of Botanical Science Sydney New South Wales Australia