| Name | Clematis villosa subsp. kirkii (Oliver) Brummitt |
| Authorship | (Oliver) Brummitt |
| Rank | Subspecies |
| Placed in | Clematis villosa de Candolle |
| Citation | 2000 Kew Bull. 55(1): 104 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Clematis villosa subsp. kirkii (Oliver) Brummitt |
| Identification made in | [no date] (6) |