| 1 | Native | Northern America | Northern Mexico | Mexico | Zacatecas | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Northern America | South-Central U.S.A. | United States | New Mexico | | Stevens, W. D. et al., eds. 2001. Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85(1-3). |
| 1 | Native | Northern America | Southern Mexico | Mexico | Campeche | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Chiapas | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Colima | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guerrero | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Jalisco | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Michoacán de Ocampo | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Oaxaca | | McVaugh, R. 1983-. Flora Novo-Galiciana. |
| 1 | Native | Northern America | Southwestern U.S.A. | United States | Arizona | | 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 | Belize | | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Southern America | Central America | Guatemala | Chiquimula | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Southern America | Central America | Guatemala | Huehuetenango | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Southern America | Central America | Guatemala | Jalapa | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Southern America | Central America | Guatemala | Petén | | Monro, A. K. & P. J. Stafford. 1998. A synopsis of the genus Echinopepon (Cucurbitaceae: Sicyeae), including three new taxa. Ann. Missouri Bot. Gard. 85:268. |
| 1 | Native | Southern America | Central America | Honduras | | | Standley, P. C. & J. A. Steyermark. 1946-1976. Flora of Guatemala. |
| 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). |