| Name | Cirsium crassicaule (Greene) Jepson |
| Authorship | (Greene) Jepson |
| Rank | Species |
| Placed in | Cirsium Miller |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Cirsium crassicaule (Greene) Jepson |
| Identification made in | [no date] (4) |