| Name | Alnus incana subsp. hirsuta (Spach) A. Löve & D. Löve |
| Authorship | (Spach) A. Löve & D. Löve |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Alnus incana (Linnaeus) Moench |
| Citation | 1976 [1975] Bot. Not. 128: 505 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Alnus incana subsp. hirsuta (Spach) A. Löve & D. Löve |
| Identification made in | [no date] (2), 2006 (1) |