1. Division of Forest, Nature and Landscape Department Earth and Environmental Sciences KU Leuven Heverlee Belgium
2. Lankester Botanical Garden University of Costa Rica Cartago Costa Rica
3. School of Molecular and Life Sciences Curtin University Perth WA Australia
4. Department of Biology University of Naples Federico II Corso Umberto I Naples Italy
5. Department of Evolution and Ecology University of California, Davis Davis California USA
6. Department of Biology University of Puerto Rico San Juan Puerto Rico
7. Herbario Luis Fournier Origgi Department of Biology University of Costa Rica San José Costa Rica
8. Plant Sciences Unit Flanders Research Institute for Agriculture, Fisheries and Food Merelbeke Belgium
9. Department of Biology National University San Antonio Abad del Cusco Cusco Perú
10. Naturalis Biodiversity Center Endless Forms Group Leiden University Leiden The Netherlands