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| Family | Asteraceae |
| Basionym | Cirsium acaule Scop. var. americanum Gray |
| Original Identification | n/a |
| Current Taxon | Cirsium coloradense (Rydb.) Ckll. |
| Protologue Citation | Proceedings of the Academy of Natural Sciences of Philadelphia 15(3): 68-69. 1863[1864]. |
| Holotype/Isotype | Isotype |
| DUKE Accession Number | 345236 |
| Comments | |
| Primary Collector | E. Hall & J. P. Harbour |
| Collector Number | 339 |
| Collection Date | 1862 |
| Country | United States |
| Province/State | Colorado |
| Plant Location Notes | Rocky Mountain Flora, Lat. 39-40° |
| Plant Description Notes | n/a |
| DUKE Barcode | |
| Broad geographical location | North America |
