| Name | Machaeranthera canescens var. shastensis (A. Gray) B. L. Turner |
| Authorship | (A. Gray) B. L. Turner |
| Rank | Variety |
| Placed in | Machaeranthera canescens A. Gray |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Machaeranthera canescens var. shastensis (A. Gray) B. L. Turner |
| Identification made in | 1986 (4) |