Glenn Keator, PhD grew up in the San Francisco Bay Area and has worked as a free-lance botanist, teacher, field trip leader, and writer for most of his life. He specializes in California native plants: their identification, ecology, uses, and culture in local gardens. Glenn teaches at several local institutions including Merritt College, San Francisco Botanical Gardens, Regional Parks Botanic Garden, College of Marin, and others. He has written several popular books: The Life of an Oak: An intimate Portrait, Designing California Native Gardens, California Plant Families: West of the Sierran Crest and Deserts, to name just a few. Dr. Keator also made significant contributions to the writing of California’s primary flora: “The Jepson Manual: Higher Plants of California”.