1. Department of Biology, University of Massachusetts, Boston, 100 Morrissey Boulevard, Boston, Massachusetts 02125, USA.
2. Ashoka Trust for Research in Ecology and the Environment, No. 659, 5th A Main Road, Hebbal, Bangalore 560024, India.
3. Department of Botany, MRC-166, National Museum of Natural History, Smithsonian Institution, Post Office Box 37012, Washington, DC 20013-7012, USA.
4. Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303, China.
5. The Evergreen State College, Olympia, WA 98505, USA.
6. Centre for Interdisciplinary Studies in Environment and Development, ISEC Campus, Nagarabhavi, Bangalore 560-072, India.
7. Missouri Botanical Garden, Post Office Box 299, St. Louis, MO 63166-0299, USA.
8. Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA.
9. International Institute of Tropical Forestry/USDA Forest Service, Jardín Botánico Sur, 1201 Calle Ceiba, San Juan, PR 00926-1119, Puerto Rico.
10. Center for Tropical Forest Science-Arnold Arboretum Asia Program, Harvard University Herbaria, 22 Divinity Avenue, Cambridge, MA 02138, USA.
11. The H. John Heinz III Center for Science, Economics and the Environment, 1001 Pennsylvania Avenue, NW, Suite 735 South, Washington, DC 20004, USA.