| Name | Cirsium douglasii var. canescens (Petrak) J. T. Howell |
| Authorship | (Petrak) J. T. Howell |
| Rank | Variety |
| Placed in | Cirsium douglasii de Candolle |
| Citation | 1959 Leafl. W. Bot. 9(1): 11 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cirsium douglasii var. canescens (Petrak) J. T. Howell |
| Identification made in | [no date] (2) |
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