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

Quercus ×jolonensis Sarg. (1918)
Infrageneric Classification
Subgenus Quercus, section Quercus (the white oaks)
Parentage
Q. douglasii Hook. & Arn. × Q. lobata Née
Natural Distribution
USA: (California)
Illustration of Leaves
Image from a plant at the Sir Harold Hillier Gardens (UK) ©Jan De Langhe, Ghent University Botanical Garden, 2010
Recent Monograph References
(Miller & Lamb) Oaks of North America (1985) page 270, 273 mentions
(Hardÿ & Lamant) Guide illustré des Chênes (2006) Volume 2, page 333
Oak Collections Growing this Taxon
The Sir Harold Hillier Gardens (UK National Collection®)
Gardens and Arboretum Trompenburg (The Netherlands Plant Collection)