| 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 | Northeast Tropical Africa | Ethiopia | | | Hedberg, I. & S. Edwards. 1989-. Flora of Ethiopia Note: Eritrea added in 2000 |
| 1 | Native | Asia-Temperate | Western Asia | Turkey | | n.w. | Davis, P. H., ed. 1965-1988. Flora of Turkey and the east Aegean islands. |
| 1 | Native | Europe | Middle Europe | Austria | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Middle Europe | Germany | | s. | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Middle Europe | Hungary | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Middle Europe | Poland | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Middle Europe | Switzerland | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Bosnia and Herzegovina | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Bulgaria | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Croatia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Italy | | incl. Sicily | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | North Macedonia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Romania | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Serbia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southeastern Europe | Slovenia | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southwestern Europe | France | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 1 | Native | Europe | Southwestern Europe | Spain | | n. | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Eastern Europe | Ukraine | | | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Europe | Northern Europe | United Kingdom | England | s.e. | Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae. |
| 4 | Naturalized | Northern America | North-Central U.S.A. | United States | Missouri | Platte Co. | Yatskievych, G. 1999-. Steyermark's Flora of Missouri, revised edition |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Indiana | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | New Jersey | | Lamont, E. E. & S. M. Young. 2006. Noteworthy plants reported from the Torrey Range—2004 and 2005. J. Torrey Bot. Soc. 133:648-659. |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Ohio | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Pennsylvania | | Lamont, E. E. & S. M. Young. 2006. Noteworthy plants reported from the Torrey Range—2004 and 2005. J. Torrey Bot. Soc. 133:648-659. |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | West Virginia | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Delaware | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Kentucky | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Louisiana | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Maryland | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | North Carolina | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Tennessee | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Virginia | | FNA Editorial Committee. 1993-. Flora of North America. |