1. IUCN SSC Orchid Specialist Group, c/o Royal Botanic Gardens, Kew, Richmond, UK
2. Department of Zoology, University of Oxford, Radcliffe Observatory Quarter, Woodstock Road, Oxford, UK
3. Natural History Museum, University of Oslo, Oslo, Norway
4. Department of Organismal Biology, Uppsala University, Uppsala, Sweden
5. Conservation Science, Royal Botanic Gardens, Kew, Richmond, Surrey, UK
6. School of Biological Sciences, University of Western Australia, Crawley, Perth, WA, Australia
7. Kadoorie Farm and Botanic Garden, Lam Kam Road, Tai Po, New Territories, Hong Kong
8. Cambridge University Herbarium, The Sainsbury Laboratory, Department of Plant Sciences, Cambridge University Botanic Gardens, Cambridge, UK
9. Sri Lanka Customs, Colombo, Sri Lanka
10. Naturalis Biodiversity Center, Leiden, The Netherlands
11. Leiden University, Leiden, Netherlands
12. Purwodadi Botanic Garden, Indonesian Institute of Sciences (LIPI), Jalan Raya Surabaya Malang KM.65, Capang, Purwodadi, Pasuruan, Jawa Timur, Indonesia
13. Durrell Institute of Conservation and Ecology, School of Anthropology and Conservation, Marlowe Building, University of Kent, Canterbury, UK
14. School of Geography and the Environment, University of Oxford, South Parks Road, Oxford, UK
15. Lancaster Environment Centre, Library Avenue, Lancaster University, Lancaster, UK