| Name | Quercus rhombica var. obovatifolia Sargent |
| Authorship | Sargent |
| Rank | Variety |
| Placed in | Quercus rhombica Sargent |
| Citation | 1918 Bot. Gaz. (London) 65: 431 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Quercus rhombica var. obovatifolia Sargent |
| Identification made in | [no date] (2) |
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