Report from the Oak ICRA checklist
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Full Name: - Quercus ×macdanielii 'Clemons '

Quercus ×macdanielii 'Clemons ' E. Cully, U.S.Plant Patent 11431 (2000) Cultivar name has been accepted as Registered
Infrageneric Classification
Subgenus Quercus, section Quercus (the white oaks)
Parentage
Q. macrocarpa Michx. × Q. robur L.
Nomenclature Note
US Patent granted to Earl Cully on 27th June, 2000. Patent assigned to Heritage Trees, Inc., Illinois, USA, marketed under their trademark HERITAGE®
Description
Description may be found in the on-line patent documentation
Alternatively a photographic image of the patent documentation may be downloaded (for which you will need a TIFF reader on your computer).
Nomenclatural Standard
United States Plant Patent PP 11431
Standard Image
Photograph by Brian Pancott for the Sir Harold Hillier Gardens
Main Horticultural References
(Jacobson) North American Landscape Trees, (1996) page 563 under its trademark. Claims it was introduced by Storm Nursery Inc., Premont, Texas around 1979
(Dirr) Manual of Woody Landscape Plants, 5th ed. (1998) page 834