| Name | Alnus crispa var. elongata Raup |
| Authorship | Raup |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Alnus crispa (Aiton) Pursh |
| GUID | urn:lsid:ipni.org:names:9395-2 |
| Citation | 1936 J. Arnold Arbor. 17: 243 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Alnus crispa var. elongata Raup |
| Identification made in | [no date] (2) |
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