| Name | Quercus garryana var. breweri (Engelmann) Jepson |
| Authorship | (Engelmann) Jepson |
| Rank | Variety |
| Placed in | Quercus garryana Douglas ex Hooker |
| GUID | urn:lsid:ipni.org:names:215865-2 |
| Holdings | 47 Specimens held in the Harvard University Herbaria identified as Quercus garryana var. breweri (Engelmann) Jepson |
| Identification made in | [no date] (44), 2012 (3) |