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Project Noah Nature School
The famous plant-breeder of the last century, Luther Burbank (1850s-1920s), created a hybrid black walnut using the Eastern black walnut (J. nigra) and the California native black walnut (J. Hindsii) that he called "Royal Walnut". In fact, the oldest standing tree planted by Burbank (in 1893) at his "Experiment Farm", "Gold Ridge", in Sebastopol CA is a Royal and is mentioned as a "witness tree" (that marked the southwestern property line there) on the deed for the Farm dating from the time of Burbank's ownership of it.
Spotted on Sep 20, 2011
Submitted on Sep 20, 2011
