| Name | Quercus sonomensis A. de Candolle |
| Authorship | A. de Candolle |
| Rank | Species |
| Placed in | Quercus Linnaeus |
| Citation | 1864 Prodr. [A. P. de Candolle] 16(2): 62 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Quercus sonomensis A. de Candolle |
| Identification made in | [no date] (2), 2021 (1), 2023 (1) |
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