| Name | Lactuca muralis (Linnaeus) Gaertner |
| Authorship | (Linnaeus) Gaertner |
| Rank | Species |
| Placed in | Lactuca Linnaeus |
| Citation | 1791 Fruct. Sem. Pl. 2: pl. 158 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lactuca muralis (Linnaeus) Gaertner |
| Identification made in | 2023 (1) |