1. School of Biological Sciences; The University of Hong Kong; Pokfulam Road Hong Kong P. R. China
2. Centre for Ecological Sciences; Duke-NUS Graduate Medical School Singapore; 560 012 India
3. Zodiac Publications; P.O. Box 210 Tolga, Queensland Australia
4. Netherlands Centre for Biodiversity; Naturalis (section NHN), Leiden University,; Droevendaalsesteeg 1 2300 Leiden The Netherlands
5. Hortus botanicus Leiden; P.O. Box 9516 2300 Leiden The Netherlands