| Name | Alnus incana var. hirsuta Spach |
| Authorship | Spach |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Alnus incana (Linnaeus) Moench |
| Citation | 1841 Ann. Sci. Nat., Bot. sér. 2, 15: 207 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Alnus incana var. hirsuta Spach |
| Identification made in | [no date] (1), 2006 (1) |
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