| 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) | 
