| Name | Aster ×amethystinus Nuttall |
| Authorship | Nuttall |
| Rank | Species |
| Placed in | Aster Linnaeus |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Aster ×amethystinus Nuttall |
| Identification made in | [no date] (2), 1946 (1) |
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