Willis Linn Jepson was an early California botanist, conservationist, and writer. Wikipedia
Born: August 19, 1867, Vacaville, CA
Died: November 7, 1946 (age 79 years), Berkeley, CA
Books
The Jepson Manual
2012
Flora of California: Lennoaceae to Convolvulaceae
1939
A Flora of California
1909
A Manual of the Flowering Plants of California
1925
California Tanbark Oak
1911
A Flora of the Economic Plants of California, for Agricultural Students: Including the Important Crop Plants, Agricultural Weeds, Poisonous Plants, Honey Plants, Medicinal Plants, Chaparral Shrubs, Native Timber Trees, and the Most Common Native Plants of the Spring Flowering
1924