| Name | Alnus rhombifolia var. bernardina Munz & I. M. Johnston |
| Authorship | Munz & I. M. Johnston |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Alnus rhombifolia Nuttall |
| GUID | urn:lsid:ipni.org:names:9448-2 |
| Citation | 1925 Bull. Torrey Bot. Club 52: 222 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Alnus rhombifolia var. bernardina Munz & I. M. Johnston |
| Identification made in | [no date] (8) |