| Name | Aster alpigenus subsp. haydenii (Porter) Cronquist |
| Authorship | (Porter) Cronquist |
| Rank | Subspecies |
| Placed in | Aster alpigenus (Torrey & A. Gray) A. Gray |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Aster alpigenus subsp. haydenii (Porter) Cronquist |
| Identification made in | 1947 (4), 1984 (2) |
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