| 1 | Native | Africa | Macaronesia | Portugal | Madeira Islands | | Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17. |
| 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 | | n. | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Africa | Northern Africa | Morocco | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Africa | Northern Africa | Tunisia | | | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Asia-Temperate | Western Asia | Turkey | | w. | Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. |
| 1 | Native | Europe | Middle Europe | Belgium | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Germany | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Netherlands | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Switzerland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Northern Europe | United Kingdom | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Greece | | incl. Crete | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Europe | Southeastern Europe | Italy | | incl. Sardinia, Sicily | Greuter, W. et al., eds. 1984-. Med-Checklist. |
| 1 | Native | Europe | Southwestern Europe | France | | incl. Corsica | 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. |
| 2 | Cultivated | Asia-Temperate | China | China | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 2 | Cultivated | Australasia | New Zealand | New Zealand | | | Allan, H. H. B. et al. 1961-. Flora of New Zealand. |
| 2 | Cultivated | Europe | | Europe | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |
| 2 | Cultivated | Northern America | | United States | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |
| 4 | Naturalized | Africa | Macaronesia | Portugal | Azores | | Silva, L. et al. 2005. Listagem da fauna e flora terrestres dos Açores. Lista des plantas vasculares (Pteridophyta e Spermatophyta). |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | | | Allan, H. H. B. et al. 1961-. Flora of New Zealand. |
| 4 | Naturalized | Europe | Middle Europe | Austria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Europe | Middle Europe | Czechoslovakia | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Europe | Middle Europe | Poland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Europe | Northern Europe | Denmark | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Europe | Northern Europe | Ireland | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Europe | Northern Europe | Sweden | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Europe | Northern Europe | United Kingdom | | | Sell, P. & G. Murrell. 1996-. Flora of Great Britain and Ireland. |
| 4 | Naturalized | Europe | Southeastern Europe | Former Yugoslavia | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Europe | Southeastern Europe | Romania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 4 | Naturalized | Northern America | | United States | | | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |
| 4 | Naturalized | Southern America | Brazil | Brazil | Bahia | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 4 | Naturalized | Southern America | Southern South America | Chile | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 4 | Naturalized | Southern America | Southern South America | Paraguay | Central | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |