| Name | Quercus apoensis var. ulayan Elmer |
| Authorship | Elmer |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Quercus apoensis Elmer |
| Citation | 1910 Leafl. Philipp. Bot. 3: 946 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Quercus apoensis var. ulayan Elmer |
| Identification made in | [no date] (1) |
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