| Name | Symphyotrichum lanceolatum subsp. hesperium (A. Gray) G. L. Nesom |
| Authorship | (A. Gray) G. L. Nesom |
| Rank | Subspecies |
| Placed in | Symphyotrichum lanceolatum (Willdenow) G. L. Nesom |
| Citation | 1995 Phytologia 77(3): 284 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Symphyotrichum lanceolatum subsp. hesperium (A. Gray) G. L. Nesom |
| Identification made in | 2013 (1) |