| Name | Clematis addisonii Britton |
| Authorship | Britton |
| Rank | Species |
| Placed in | Clematis Linnaeus |
| Citation | 1890 Mem. Torrey Bot. Club 2(2): 28 |
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Clematis addisonii Britton |
| Identification made in | [no date] (2), 1942 (2), 1976 (7), 1979 (1) |
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