| Name | Cirsium spinosissimum (Linnaeus) Scopoli |
| Authorship | (Linnaeus) Scopoli |
| Rank | Species |
| Placed in | Cirsium Miller |
| Citation | 1772 Fl. Carniol., ed. 2. 2: 129 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cirsium spinosissimum (Linnaeus) Scopoli |
| Identification made in | [no date] (2) |