| Name | Symphyotrichum firmum (Nees) G. L. Nesom |
| Authorship | (Nees) G. L. Nesom |
| Rank | Species |
| Placed in | Symphyotrichum |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Symphyotrichum firmum (Nees) G. L. Nesom |
| Identification made in | [no date] (3), 2019 (1) |