| Name | Quercus clivicola f. elongata C. H. Müller |
| Authorship | C. H. Müller |
| Rank | Forma |
| Placed in | Quercus clivicola Trelease & C. H. Müller |
| Citation | 1936 J. Arnold Arbor. 17: 162 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Quercus clivicola f. elongata C. H. Müller |
| Identification made in | [no date] (1), 2021 (1), 2023 (1) |