| English | garden lettuce | | | 1 | Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening |
| English | lettuce | | | 1 | Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL. |
| French | laitue | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| French | laitue cultivée | | | 2 | Demilly, D. et al. 2001. Liste alphabétique des principales espèces de plantes cultivées et de mauvaises herbes. Noms latins et noms français, ed. 7 GEVES-SNES, Beaucouzé, France. |
| German | Garten-Lattich | | | 2 | Erhardt, W. et al. 2008. Der große Zander: Enzyklopädie der Pflanzennamen 1498. |
| German | grüner Salat | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| German | Kopfsalat | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Italian | lattuga | | | 2 | International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2. |
| Portuguese | alface | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Spanish | lechuga | | | 2 | Rehm, S. 1994. Multilingual dictionary of agronomic plants |
| Swedish | sallat | | | 2 | Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) |
| Transcribed Korean | sangchu | | | 2 | Mun-Chan, B. et al. 1986. A checklist of the Korean cultivated plants. Kulturpflanze 34:105. |