| Name | Aster occidentalis var. yosemitanus (A. Gray) Cronquist | 
| Authorship | (A. Gray) Cronquist | 
| Rank | Variety | 
| Placed in | Aster occidentalis (Nuttall) Torrey & A. Gray | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Aster occidentalis var. yosemitanus (A. Gray) Cronquist | 
| Identification made in | 1940 (2) | 
