| Name | Clematis longicauda Steudel ex A. Richard |
| Authorship | Steudel ex A. Richard |
| Rank | Species |
| Placed in | Clematis Linnaeus |
| Citation | 1847 Tent. Fl. Abyss. 1: 2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Clematis longicauda Steudel ex A. Richard |
| Identification made in | [no date] (1) |
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