| Name | Lactuca ×duffouri Palezieux |
| Authorship | Palezieux |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Lactuca Linnaeus |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lactuca ×duffouri Palezieux |
| Identification made in | [no date] (1) |