| 1 | Native | Southern America | Brazil | Brazil | Bahia | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | Espírito Santo | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | Pará | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | Paraná | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | Rio de Janeiro | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | Santa Catarina | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | São Paulo | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Caribbean | Antigua and Barbuda | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | Bermuda | | | Pfeifer, H. W. 1966. Revision of the North and Central American hexandrous species of Aristolochia (Aristolochiaceae). Ann. Missouri Bot. Gard. 53:144-145. |
| 1 | Native | Southern America | Caribbean | Cuba | | | Jardín Botánico Nacional. 1998-. Flora de la República de Cuba |
| 1 | Native | Southern America | Caribbean | Dominica | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | Dominican Republic | | | Pfeifer, H. W. 1966. Revision of the North and Central American hexandrous species of Aristolochia (Aristolochiaceae). Ann. Missouri Bot. Gard. 53:144-145. |
| 1 | Native | Southern America | Caribbean | Guadeloupe | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | Haiti | | | Pfeifer, H. W. 1966. Revision of the North and Central American hexandrous species of Aristolochia (Aristolochiaceae). Ann. Missouri Bot. Gard. 53:144-145. |
| 1 | Native | Southern America | Caribbean | Jamaica | | | Pfeifer, H. W. 1966. Revision of the North and Central American hexandrous species of Aristolochia (Aristolochiaceae). Ann. Missouri Bot. Gard. 53:144-145. |
| 1 | Native | Southern America | Caribbean | Martinique | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | St. Lucia | | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | St. Vincent and Grenadines | Saint Vincent | | Howard, R. 1974-1989. Flora of the lesser Antilles. |
| 1 | Native | Southern America | Caribbean | Trinidad and Tobago | Trinidad | | Pfeifer, H. W. 1966. Revision of the North and Central American hexandrous species of Aristolochia (Aristolochiaceae). Ann. Missouri Bot. Gard. 53:144-145. |
| 1 | Native | Southern America | Caribbean | United States | Puerto Rico | | Liogier, H. A. & L. F. Martorell. 2000. Flora of Puerto Rico and adjacent islands: a systematic synopsis, ed. 2. |
| 1 | Native | Southern America | Caribbean | United States | Virgin Islands, U.S. | | Pfeifer, H. W. 1966. Revision of the North and Central American hexandrous species of Aristolochia (Aristolochiaceae). Ann. Missouri Bot. Gard. 53:144-145. |
| 1 | Native | Southern America | Caribbean | Virgin Islands (British) | Tortola | | Pfeifer, H. W. 1966. Revision of the North and Central American hexandrous species of Aristolochia (Aristolochiaceae). Ann. Missouri Bot. Gard. 53:144-145. |
| 1 | Native | 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 |
| 1 | Native | Southern America | Central America | Costa Rica | | | Burger, W. C., ed. 1971-. Flora costaricensis. |
| 1 | Native | Southern America | Central America | Honduras | | | Burger, W. C., ed. 1971-. Flora costaricensis. |
| 1 | Native | Southern America | Central America | Nicaragua | | | Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3). |
| 1 | Native | Southern America | Central America | Panama | | | Burger, W. C., ed. 1971-. Flora costaricensis. |
| 1 | Native | 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. |
| 1 | Native | 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. |
| 1 | Native | 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. |
| 1 | Native | Southern America | Northern South America | Venezuela | Carabobo | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Distrito Capital | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Southern South America | Argentina | Buenos Aires | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: = Aristolochia macroura Ortega |
| 1 | Native | Southern America | Southern South America | Argentina | Chaco | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: = Aristolochia macroura Ortega |
| 1 | Native | Southern America | Southern South America | Argentina | Corrientes | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: = Aristolochia macroura Ortega |
| 1 | Native | Southern America | Southern South America | Argentina | Entre Ríos | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: = Aristolochia macroura Ortega |
| 1 | Native | Southern America | Southern South America | Argentina | Misiones | | Pinto, P. & P. M. Ruiz, eds. 1983-. Flora de Colombia. |
| 1 | Native | Southern America | Southern South America | Argentina | Santa Fe | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: = Aristolochia macroura Ortega |
| 1 | Native | Southern America | Southern South America | Uruguay | | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: = Aristolochia macroura Ortega |
| 1 | Native | Southern America | Western South America | Colombia | | | Pinto, P. & P. M. Ruiz, eds. 1983-. Flora de Colombia. |
| 2 | Cultivated | | | | | also cult. | Mori, S. A. et al. 1997-. Guide to the vascular plants of Central French Guiana (Mem. New York Bot Gard. 76). Note: introd. |