| Name | Achaetogeron purpurescens Greenman |
| Authorship | Greenman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Achaetogeron |
| Citation | 1903 Proc. Amer. Acad. Arts 39: 94 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Achaetogeron purpurescens Greenman |
| Identification made in | [no date] (1), 1973 (1), 1983 (1) |