| 1 | Native | Southern America | Brazil | Brazil | Ceará | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | Mato Grosso | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | Mato Grosso do Sul | | Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource). |
| 1 | Native | Southern America | Brazil | Brazil | Minas Gerais | | 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 | Rondônia | | 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 | Southern South America | Argentina | Corrientes | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Argentina | Entre Ríos | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Argentina | Jujuy | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Argentina | Misiones | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Argentina | Santa Fe | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Amambay | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Central | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Concepción | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Cordillera | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Paraguarí | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | San Pedro | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Western South America | Bolivia | | | Zuloaga, F. O. & O. Morrone, eds. 1996, 1999. Catálogo de las plantas vasculares de la República Argentina. I. Pteridophyta, Gymnospermae y Angiospermae (Monocotyledonae), II. Dicotyledonae. Monogr. Syst. Bot. Missouri Bot. Gard. 60, 74. |
| 1 | Native | Southern America | Western South America | Colombia | | | Harling, G. & B. Sparre, eds. 1973-. Flora of Ecuador. |
| 1 | Native | Southern America | Western South America | Ecuador | Loja | | Jørgensen, P. M. & S. León-Yánez, eds. 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75 |
| 1 | Native | Southern America | Western South America | Peru | | | Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45 |
| 2 | Cultivated | | | | | also cult. in tropics | Groot, H. de et al. 2006. Revision of the genus Aristolochia (Aristolochiaceae) in Africa, Madagascar and adjacent islands. Bot. J. Linn. Soc. 151:233. |
| 4 | Naturalized | | | | | natzd. elsewhere in tropics | Groot, H. de et al. 2006. Revision of the genus Aristolochia (Aristolochiaceae) in Africa, Madagascar and adjacent islands. Bot. J. Linn. Soc. 151:233. |