| Name | Quercus rugulosa f. subtruncata Trelease |
| Authorship | Trelease |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Quercus rugulosa M. Martens & Galeotti |
| GUID | urn:lsid:ipni.org:names:216360-2 |
| Citation | 1924 Mem. Natl. Acad. Sci. 20: 182 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Quercus rugulosa f. subtruncata Trelease |
| Identification made in | 2021 (1), 2023 (2) |