| Name | Ulmus americana f. laevior Fernald |
| Authorship | Fernald |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Ulmus americana Linnaeus |
| GUID | urn:lsid:ipni.org:names:259363-2 |
| Citation | 1945 Rhodora 47: 133 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Ulmus americana f. laevior Fernald |
| Identification made in | [no date] (5) |