| Name | Lactuca canadensis var. laciniata Farwell |
| Authorship | Farwell |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Lactuca canadensis Linnaeus |
| GUID | urn:lsid:ipni.org:names:134524-2 |
| Citation | 1924 Pap. Michigan Acad. Sci. 2: 45 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lactuca canadensis var. laciniata Farwell |
| Identification made in | [no date] (1) |