| 1 | Native | Asia-Temperate | Caucasus | Georgia | | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Caucasus | Russian Federation-Ciscaucasia | Ciscaucasia | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Asia-Temperate | Western Asia | Cyprus | | | Meikle, R. D. 1977-1985. Flora of Cyprus. |
| 1 | Native | Asia-Temperate | Western Asia | Turkey | | | Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. |
| 1 | Native | Europe | Eastern Europe | Estonia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Eastern Europe | Latvia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Eastern Europe | Lithuania | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Eastern Europe | Moldova | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Astrakhan | | Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:226. |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Saratov | | Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:226. |
| 1 | Native | Europe | Eastern Europe | Russian Federation | Volgogradskaja oblast' | | Skvortsov, A. K., ed. 2006. Flora of the Lower Volga region 1:226. |
| 1 | Native | Europe | Eastern Europe | Russian Federation-European part | European part | | Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. |
| 1 | Native | Europe | Eastern Europe | Ukraine | | | Tzvelev, N. N. 1976. Zlaki SSSR |
| 1 | Native | Europe | Middle Europe | Hungary | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Middle Europe | Slovakia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Southeastern Europe | Albania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Bulgaria | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Croatia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Southeastern Europe | Greece | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Italy | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Romania | | | Tutin, T. G. et al., eds. 1964-1980. Flora europaea. |
| 1 | Native | Europe | Southeastern Europe | Serbia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Southeastern Europe | Slovenia | | | Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). |
| 1 | Native | Europe | Southwestern Europe | France | | | 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 | | | | | also cult. | |
| 4 | Naturalized | Northern America | | Mexico | | | Villaseñor, J. L. & F. J. Espinoza-Garcia. 2004. The alien flowering plants of Mexico. Diversity & Distrib. 10:113-123. |
| 4 | Naturalized | Northern America | | United States | | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Southern America | Southern South America | Argentina | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |