Report from the Oak ICRA checklist
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Full Name: - Quercus ×giffordii

Quercus ×giffordii Trel. (1917)
Infrageneric Classification
Subgenus Quercus, section Lobatae (the red oaks)
Parentage
Q. ilicifolia Wangenh. × Q. phellos L.
Description
See: R. J. Jensen, Volume 3 of Flora of North America (1997) Page 457
Natural Distribution
USA: (Delaware, New Jersey)
Recent Monograph References
(Miller & Lamb) Oaks of North America (1985) page 99, 115 mentions