| 4 | Naturalized | Asia-Temperate | Eastern Asia | Taiwan | | | Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition). |
| 4 | Naturalized | Northern America | South-Central U.S.A. | United States | Texas | | FNA Editorial Committee. 1993-. Flora of North America. |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Florida | | 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 | Pacific | North-Central Pacific | United States | Hawaii | | Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource). |
| 4 | Naturalized | Pacific | Northwestern Pacific | Marshall Islands | | | Fosberg, F. R. & M.-H. Sachet. 1975-. Flora of Micronesia, Smithsonian Contr. Bot. |
| 4 | Naturalized | Pacific | Northwestern Pacific | United States | Guam | | Fosberg, F. R. & M.-H. Sachet. 1975-. Flora of Micronesia, Smithsonian Contr. Bot. |
| 4 | Naturalized | Pacific | Northwestern Pacific | United States | Northern Mariana Islands | | Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource). |
| 4 | Naturalized | Pacific | South-Central Pacific | French Polynesia | | | Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource). |
| 4 | Naturalized | Pacific | Southwestern Pacific | Fiji | | | Smith, A. C. 1979-1991. Flora vitiensis nova. |
| 4 | Naturalized | Southern America | Brazil | Brazil | | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 4 | Naturalized | Southern America | Caribbean | Antigua and Barbuda | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Bahamas | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | Barbados | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Dominica | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Grenada | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Guadeloupe | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Hispaniola | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | Jamaica | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | Martinique | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Montserrat | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | Netherlands Antilles | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | St. Kitts and Nevis | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | St. Lucia | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | St. Vincent and Grenadines | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 4 | Naturalized | Southern America | Caribbean | United States | Puerto Rico | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | United States | Virgin Islands, U.S. | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Caribbean | Virgin Islands (British) | | | Acevedo-Rodríguez, P. & M. T. Strong. 2012. Catalogue of seed plants of the West Indies. Smithsonian Contr. Bot. 98 |
| 4 | Naturalized | Southern America | Central America | Belize | | | Balick, M. J. et al. 2000. Checklist of the vascular plants of Belize, with common names and uses. Mem. New York Bot. Gard. 85 |
| 4 | Naturalized | Southern America | Central America | Guatemala | | | Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala. |
| 4 | Naturalized | Southern America | Central America | Nicaragua | | | Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3). |
| 4 | Naturalized | Southern America | Central America | Panama | | | Woodson, R. E. & R. W. Schery, eds. 1943-1980. Flora of Panama. |
| 4 | Naturalized | Southern America | Northern South America | French Guiana | | | Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584. |
| 4 | Naturalized | Southern America | Northern South America | Guyana | | | Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584. |
| 4 | Naturalized | Southern America | Northern South America | Suriname | | | Funk, V. et al. 2007. Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contr. U.S. Natl. Herb. 55:1-584. |
| 4 | Naturalized | Southern America | Northern South America | Venezuela | | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 4 | Naturalized | Southern America | Southern South America | Argentina | Misiones | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 4 | Naturalized | Southern America | Southern South America | Paraguay | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 4 | Naturalized | Southern America | Western South America | Bolivia | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 4 | Naturalized | Southern America | Western South America | Ecuador | | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 6 | Other | | | | | origin uncertain | Nicolson, D. H. 1980. Summary of cytological information on Emilia and the taxonomy of four Pacific taxa of Emilia (Asteraceae: Senecioneae). Syst. Bot. 5:395. www.aspt.net/systematic-botany |