1. Botany, School of Natural Sciences, Trinity College Dublin, Dublin, Ireland
2. Royal Botanic Garden Edinburgh, Edinburgh, UK
3. School of Geosciences, University of Edinburgh, Edinburgh, UK
4. Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil
5. Instituto de Biologia, Universidade Federal da Bahia, Salvador, Brazil
6. Natural History Museum, London, UK