| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | | Steyermark, J. A. 1977. Flora of Missouri. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | s. | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | | McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Chihuahua | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Coahuila de Zaragoza | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Nuevo León | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | San Luis Potosí | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Sonora | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Tamaulipas | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Zacatecas | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Northwestern U.S.A. | United States | Colorado | | Lira-Saade, R. 1995. Estudios taxonómicos y ecogeográficos de las Cucurbitaceae Latinoamericanas de importancia económica. Syst. Ecogeogr. Stud. Crop Genepools 9:1-116. Note: International Plant Genetic Resources Institute (IPGRI) |
| 1 | Native | Northern America | South-Central U.S.A. | United States | New Mexico | | Martin, W. C. & C. R. Hutchins. 1980. A flora of New Mexico. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | | Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | | Smith, E. B. 1978. An atlas and annotated list of the vascular plants of Arkansas |
| 1 | Native | Northern America | Southern Mexico | Mexico | Aguascalientes | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guanajuato | | Rzedowski, J. & G. Rzedowski, eds. 1991-. Flora del Bajio y de regiones adyacentes. Note: both as a wild and adventive |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guerrero | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Hidalgo | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Jalisco | n. | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | México | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Querétaro | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Arizona | | Kearney, T. H. & R. H. Peebles. 1969. Arizona flora, ed. 2. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | California | s. | Munz, P. A. 1974. A flora of southern California. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Utah | s. | Lira-Saade, R. 1995. Estudios taxonómicos y ecogeográficos de las Cucurbitaceae Latinoamericanas de importancia económica. Syst. Ecogeogr. Stud. Crop Genepools 9:1-116. Note: International Plant Genetic Resources Institute (IPGRI) |