| Name | Clematis montana var. grandiflora Hooker |
| Authorship | Hooker |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Clematis montana Buchanan-Hamilton ex de Candolle |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Clematis montana var. grandiflora Hooker |
| Identification made in | [no date] (8) |
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