| Name | Alnus rugosa f. tomophylla Fernald |
| Authorship | Fernald |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Alnus rugosa (Du Roi) Sprengel |
| GUID | urn:lsid:ipni.org:names:292966-2 |
| Citation | 1914 Rhodora 16: 56 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Alnus rugosa f. tomophylla Fernald |
| Identification made in | [no date] (1) |