| Name | Cirsium pitcheri f. magenteum E. G. Voss |
| Authorship | E. G. Voss |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Cirsium pitcheri (Eaton) Torrey & A. Gray |
| GUID | urn:lsid:ipni.org:names:322016-2 |
| Citation | 2001 Contr. Univ. Michigan Herb. 23: 350 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cirsium pitcheri f. magenteum E. G. Voss |
| Identification made in | [no date] (1) |