1. Institute of Ecology and Evolution, University of Edinburgh, Edinburgh EH9 3FL, United Kingdom
2. Tree of Life, Wellcome Trust Genome Campus, Hinxton CB10 1RQ, United Kingdom
3. Royal Botanical Garden Edinburgh, Edinburgh EH3 5LR, United Kingdom
4. Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, United Kingdom
5. Conservation and Research Department, National Botanic Garden of Wales, Llanarthne, Carmarthenshire SA32 8HG, United Kingdom
6. Spirent Communications, Positioning Technology, Crawley, West Sussex RH10 1BD, United Kingdom
7. Natural History Museum of Denmark, University of Copenhagen, DK-2100 Copenhagen, Denmark