1. Institut de Systématique, Évolution, Biodiversité (ISYEB – UMR 7205 – CNRS, MNHN, UPMC, EPHE), Muséum national d’Histoire naturelle, Sorbonne Universités, 57 rue Cuvier, CP50, F-75005, Paris, France.
2. Department of Plant Taxonomy and Nature Conservation, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland.
3. School of Biological Science, Faculty of Science, University of Western Australia, Crawley, WA 6009, Australia.
4. School of Agricultural, Computational and Environmental Sciences, University of Southern Queensland, Toowoomba, Queensland, Australia 4350.
5. Understanding Evolution Group, Naturalis Biodiversity Center, Vondellaan 55, 2332 AA Leiden, the Netherlands.
6. Natural History Museum of Denmark, University of Copenhagen, Øster Farimagsgade, 2B DK-1353 Copenhagen, Denmark.
7. Orchid Recovery Program, Department of Biology, Illinois College, Jacksonville, IL 62650, USA.
8. Department of Geosciences and Nature Resource Management, University of Copenhagen, Rolighedsvej 23, 1958 Frederiksberg C, Denmark.