| Name | Alnus firmifolia Fernald |
| Authorship | Fernald |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Alnus |
| GUID | urn:lsid:ipni.org:names:107661-1 |
| Citation | 1907 Proc. Amer. Acad. Arts 43: 61 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Alnus firmifolia Fernald |
| Identification made in | [no date] (1) |