| Family: | Fagaceae (fag-AY-see-ee) (Info) |
| Genus: | Quercus (KWER-kus) (Info) |
| Species: | macrocarpa (ma-kro-KAR-pa) (Info) |
| Synonym: | Quercus macrocarpa var. macrocarpa |
| Synonym: | Quercus mandanensis |
| Synonym: | Quercus macrocarpa var. oliviformis |
| Synonym: | Quercus macrocarpa var. olivaeformis |