| CGIAR | Consultative Group on International Agricultural Research (USA) |
| CIFOR | Centre for International Forestry Research of the CGIAR (Indonesia) |
| CIRAD-Forêt | Centre de Coopération Internationale en Recherche Agronomique pour le Développement (France) |
| CSIRO | Commonwealth Scientific and Industrial Research Organization(Australia) |
| DFSC | DANIDA Forest Seed Centre (Denmark) |
| FAO | Food and Agriculture Organization of the United Nations (Italy) |
| IBPGR2 | International Board for Plant Genetic Resources of the CGIAR (Italy) |
| ICRAF | International Centre for Research in Agroforestry of the CGIAR (Kenya) |
| IUCN | World Conservation Union (Switzerland) |
| IUFRO | International Union of Forestry Research Organizations (Austria) |
| TFAP | Tropical Forests Action Programme (c/o FAO Rome, Italy) |
| UNCED | United Nations Conference on Environment and Development |
| UNDP | United Nations Development Programme (USA) |
| UNEP | United Nations Environment Programme (Kenya) |
| Unesco | United Nations Educational, Scientific and Cultural Organization (France) |
| WWF | World Wide Fund for Nature (Switzerland) |
1 Where applicable, location of Headquarters is given in brackets.
