| Name | Lactuca canadensis var. latifolia Kuntze |
| Authorship | Kuntze |
| Rank | Variety |
| Placed in | Lactuca canadensis Linnaeus |
| GUID | urn:lsid:ipni.org:names:134525-2 |
| Citation | 1891 Revis. Gen. Pl. 1: 349 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Lactuca canadensis var. latifolia Kuntze |
| Identification made in | [no date] (10), 1919 (1), 1921 (1) |