| Name | Quercus dumosa var. macdonaldii (Greene & Kellogg) Jepson |
| Authorship | (Greene & Kellogg) Jepson |
| Rank | Variety |
| Placed in | Quercus dumosa Nuttall |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Quercus dumosa var. macdonaldii (Greene & Kellogg) Jepson |
| Identification made in | [no date] (4) |