| West Tropical Africa | Benin, Ghana, Guinea-Bissau, Guinea, Ivory Coast, Liberia, Nigeria, Senegal, Sierra Leone, Togo |
| West-Central Tropical Africa | Burundi, Central African Republic, Cameroon, Congo, Equatorial Guinea, Gabon, Gulf of Guinea Is., Rwanda, Zaïre |
| Northeast Tropical Africa | Ethiopia |
| East Tropical Africa | Tanzania, Uganda |
| South Tropical Africa | Angola, Zambia |