| Name | Alnus incana subsp. rugosa (Du Roi) R. T. Clausen |
| Authorship | (Du Roi) R. T. Clausen |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Alnus incana (Linnaeus) Moench |
| Remarks | Created from NEVP Ingest: Alnus incana subspecies rugosa (Du Roi) R. T. Clausen [delete] |
| GUID | urn:uuid: |
| Holdings | 548 Specimens held in the Harvard University Herbaria identified as Alnus incana subsp. rugosa (Du Roi) R. T. Clausen |
| Identification made in | [no date] (548) |