| Name | Clematis sigensis Engler |
| Authorship | Engler |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Clematis Linnaeus |
| GUID | urn:lsid:ipni.org:names:710066-1 |
| Citation | 1910 Bot. Jahrb. Syst. 45. 271 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Clematis sigensis Engler |
| Identification made in | [no date] (2) |
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