| Schizocarpum tripodum Kearns, 2001 |
| Sechiopsis Naudin, 1866 |
| Sechiopsis diptera Kearns, 1992 |
| Sechiopsis distincta Kearns, 1992 |
| Sechiopsis laciniata (Brandegee) Kearns, 1992 |
| Sechiopsis tetraptera Dieterle, 1980 |
| Sechiopsis triquetra (Ser.) Naudin, 1866 |
| Sechium P. Browne, 1756 |
| Sechium americanum Poir., 1806 |
| Sechium chayota Jacq. ex Hemsl., 1880 |
| Sechium chinantlense Lira & F. Chiang, 1992 |
| Sechium compositum (Donn. Sm.) C. Jeffrey, 1978 |
| Sechium edule (Jacq.) Sw., 1800 |
| Sechium edule subsp. edule (Jacq.) Sw., 1800 |
| Sechium edule subsp. sylvestre Lira & Castrejón, 1999 |
| Sechium hintonii (Paul G. Wilson) C. Jeffrey, 1978 |
| Sechium mexicanum Lira & M. Nee, 1999 |
| Sechium palmatum Ser., 1828 |
| Sicana Naudin, 1862 |
| Sicana atropurpurea André, 1890 |