| Name | Cirsium calcareum (M. E. Jones) Wooton & Standley |
| Authorship | (M. E. Jones) Wooton & Standley |
| Rank | Species |
| Placed in | Cirsium Miller |
| Citation | 1915 Contr. U.S. Natl. Herb. 19: 752 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cirsium calcareum (M. E. Jones) Wooton & Standley |
| Identification made in | [no date] (1) |
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