| 1 | Native | Africa | Macaronesia | Portugal | Madeira Islands | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Africa | Macaronesia | Spain | Canarias | | Arechavaleta, M. et al., coords. 2009. Lista de especies silvestres de Canarias: hongos, plantas y animales terrestres |
| 1 | Native | Africa | Northern Africa | Algeria | | | Quézel, P. & S. Santa. 1962-1963. Nouvelle flore de l'Algerie. |
| 1 | Native | Africa | Northern Africa | Egypt | | n. | Boulos, L. 1995. Flora of Egypt checklist. |
| 1 | Native | Africa | Northern Africa | Morocco | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Africa | Northern Africa | Tunisia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Asia-Temperate | Western Asia | Cyprus | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Asia-Temperate | Western Asia | Iraq | | n. | Rechinger, K. H., ed. 1963-. Flora iranica. |
| 1 | Native | Asia-Temperate | Western Asia | Israel | | | Zohary, M. & N. Feinbrun-Dothan. 1966-. Flora palaestina. |
| 1 | Native | Asia-Temperate | Western Asia | Jordan | | | Zohary, M. & N. Feinbrun-Dothan. 1966-. Flora palaestina. |
| 1 | Native | Asia-Temperate | Western Asia | Lebanon | | | Mouterde, P. 1966-. Nouvelle flore du Liban et de la Syrie. |
| 1 | Native | Asia-Temperate | Western Asia | Syria | | | Mouterde, P. 1966-. Nouvelle flore du Liban et de la Syrie. |
| 1 | Native | Asia-Temperate | Western Asia | Turkey | | | Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. |
| 1 | Native | Europe | Southeastern Europe | Bulgaria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Greece | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Italy | | incl. Sardinia, Sicily | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | France | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Portugal | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southwestern Europe | Spain | | incl. Baleares | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 3 | Adventive | Europe | Middle Europe | Belgium | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 3 | Adventive | Europe | Middle Europe | Germany | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 3 | Adventive | Europe | Northern Europe | United Kingdom | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 4 | Naturalized | Africa | Northeast Tropical Africa | Eritrea | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 4 | Naturalized | Africa | Northeast Tropical Africa | Ethiopia | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 4 | Naturalized | Africa | Northeast Tropical Africa | Sudan | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 4 | Naturalized | Australasia | Australia | Australia | New South Wales | | Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia |
| 4 | Naturalized | Australasia | Australia | Australia | Queensland | | Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | North Carolina | | FNA Editorial Committee. 1993-. Flora of North America. |