| Name | Aruncus sylvester Kosteletzky |
| Authorship | Kosteletzky |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Aruncus Linnaeus |
| Holdings | 45 Specimens held in the Harvard University Herbaria identified as Aruncus sylvester Kosteletzky |
| Identification made in | [no date] (37), 1956 (1), 2008 (4), 2009 (1), 2010 (2) |