| West-Central Tropical Africa | Burundi, Rwanda, Zaïre |
| Northeast Tropical Africa | Eritrea, Ethiopia, Sudan |
| East Tropical Africa | Kenya, Tanzania, Uganda |
| South Tropical Africa | Angola, Malawi, Mozambique, Zambia, Zimbabwe |
| Southern Africa | Cape Provinces, Namibia, KwaZulu-Natal, Swaziland, Northern Provinces |
| Arabian Peninsula | Yemen |