1. Department of Biology, Stanford University, Stanford, California, USA
2. Department of Integrative Biology, University of California, Berkeley, California, USA
3. Department of Research, Botanic Garden Meise, Meise, Belgium
4. Fédération Wallonie-Bruxelles, Direction Générale de l’Enseignement non Obligatoire et de la Recherche Scientifique, Brussels, Belgium
5. Museum of Evolution, Uppsala University, Uppsala, Sweden
6. NTNU University Museum, Norwegian University of Science and Technology, Trondheim, Norway