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Mark Dimmitt is the Director of Natural History at the Arizona-Sonora Desert Museum in Tucson, Arizona, where he oversees the Museum's education and scientific programs. He joined the Museum staff in 1979 as the Curator of Botany, and has conducted extensive research in desert ecology and horticulture over the past 30 years. He is the author of several book chapters and articles on the ecology and natural history of the Sonoran Desert.

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