| Name | Astilbe rivularis var. angustifoliolata H. Hara |
| Authorship | H. Hara |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Astilbe rivularis Buchanan-Hamilton ex D. Don |
| GUID | urn:lsid:ipni.org:names:891126-1 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Astilbe rivularis var. angustifoliolata H. Hara |
| Identification made in | [no date] (3), 2008 (5), 2009 (1), 2016 (1) |