| Name | Cirsium proteanum J. T. Howell |
| Authorship | J. T. Howell |
| Rank | Species |
| Placed in | Cirsium Miller |
| Citation | 1959 Leafl. W. Bot. 9(1): 14 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Cirsium proteanum J. T. Howell |
| Identification made in | [no date] (11) |
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