| 1 | Native | Africa | East Tropical Africa | Kenya | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Africa | East Tropical Africa | Tanzania | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Africa | East Tropical Africa | Uganda | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Africa | Northeast Tropical Africa | Eritrea | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 1 | Native | Africa | Northeast Tropical Africa | Ethiopia | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 1 | Native | Africa | Northeast Tropical Africa | Somalia | | | Thulin, M., ed. 1993-. Flora of Somalia. |
| 1 | Native | Africa | Northeast Tropical Africa | Sudan | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | Eastern Cape | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | Southern Africa | South Africa | Western Cape | | Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa. |
| 1 | Native | Africa | West Tropical Africa | Nigeria | | | Keay, R. W. J. & F. N. Hepper. 1953-1972. Flora of west tropical Africa, ed. 2. |
| 1 | Native | Africa | West-Central Tropical Africa | Burundi | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Africa | West-Central Tropical Africa | Cameroon | | | Keay, R. W. J. & F. N. Hepper. 1953-1972. Flora of west tropical Africa, ed. 2. |
| 1 | Native | Africa | West-Central Tropical Africa | Democratic Republic of the Congo | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Africa | West-Central Tropical Africa | Equatorial Guinea | Bioko | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Africa | West-Central Tropical Africa | Rwanda | | | Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa. |
| 1 | Native | Asia-Temperate | Arabian Peninsula | Yemen | | | Wood, J. R. I. 1997. A handbook of the Yemen flora. |
| 3 | Adventive | Europe | Southwestern Europe | Portugal | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Africa | Macaronesia | Portugal | Madeira Islands | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Africa | Western Indian Ocean | Reunion | | | Bosser, J. M. et al., eds. 1976-. Flores des Mascareignes. |
| 4 | Naturalized | Europe | Southwestern Europe | France | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Europe | Southwestern Europe | Spain | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Pacific | North-Central Pacific | United States | Hawaii | | Wagner, W. L. et al. 1990. Manual of the flowering plants of Hawai'i |