| Name | Cirsium muticum f. lactiflorum Fernald |
| Authorship | Fernald |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Cirsium muticum Michaux |
| GUID | urn:lsid:ipni.org:names:59074-2 |
| Citation | 1933 Rhodora 35: 369 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cirsium muticum f. lactiflorum Fernald |
| Identification made in | [no date] (1) |