| Representative & Member Type | Member Organization and Country | Email/Web Home Page |
| David Green | School of Environmental and Information Sciences, Charles Sturt University | dgreen@csu.edu.au |
| Participating Centre | AUSTRALIA |
| Werner Greuter | International Association for Plant Taxonomy | wg@zedat.fu-berlin.de |
| Participating Centre | GERMANY |
| Guranda Gvaladze | The Institute of Botany of the Georgian Academy of Sciences |
| Individual Member | REPUBLIC OF GEORGIA |
| Charlotte Gyllenhaal | PCPRS/GLAXO Project, University of Illinois | gyllenha@uic.edu |
| Participating Centre | USA |
| H |
| Herbarium Curator | Departemento de Botanica, Universidade de Sao Paulo |
| Participating Centre | BRASIL |
| Clara Heyn | Herbarium, Botany Dept., Hebrew University |
| Participating Centre | ISRAEL |
| Roger J. Hnatiuk |
| Individual Member | AUSTRALIA |
| Patricia Holmgren | New York Botanical Garden | pholmgren@nybg.org |
| Participating Centre | USA | http://www.nybg.org |
| I |
| IOPI Representative | Forest Research Institute of Malaysia |
| Participating Centre | MALAYSIA |
| Kunio Iwatsuki | Faculty of Science, Rikkyo University | iwatsuki@rikkyo.ac.jp |
| Individual Member | JAPAN |
| Monday, January 25, 1999 | Page 6 of 15 |