| Name | Aster lanceolatus subsp. hesperius (A. Gray) Semple & Chmielewski |
| Authorship | (A. Gray) Semple & Chmielewski |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Aster lanceolatus Willdenow |
| GUID | urn:lsid:ipni.org:names:272839-2 |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Aster lanceolatus subsp. hesperius (A. Gray) Semple & Chmielewski |
| Identification made in | 1981 (2), 1987 (1), 1995 (12), 2017 (1) |