| Name | Synthyris pinnatifida var. canescens (Pennell) Cronquist |
| Authorship | (Pennell) Cronquist |
| Rank | Variety |
| Placed in | Synthyris pinnatifida S. Watson |
| Citation | 1959 Vasc. Pl. Pacif. N. W. 4: 415 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Synthyris pinnatifida var. canescens (Pennell) Cronquist |
| Identification made in | [no date] (2) |
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