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Willis Linn Jepson

Willis Linn Jepson

January 30, 2021

The first notation was written in longhand by pre-eminent botanist, University of California, Berkeley professor and Vacaville native Willis Linn Jepson, in what would become a 70-volume journal and field book, simply started “Vacaville. 1888.”

The first plant he mentioned was the Valley Oak, the largest oak found in the state and common around Vacaville.

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