| Name | Lactuca canadensis f. stenopoda Wiegand | 
| Authorship | Wiegand | 
| Rank | Forma | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Lactuca canadensis Linnaeus | 
| GUID | urn:lsid:ipni.org:names:290637-2 | 
| Citation | 1920 Rhodora 22: 11 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lactuca canadensis f. stenopoda Wiegand | 
| Identification made in | [no date] (1) | 
