| Name | Centaurea americana Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| Placed in | Centaurea Linnaeus |
| Citation | 1821 J. Acad. Nat. Sci. Philadelphia 2(1): 117 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Centaurea americana Nuttall |
| Identification made in | [no date] (1) |