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Plants That Changed the Course of History

Carol Gravens

Life on Earth would not be possible without plants. Not only do they absorb carbon dioxide and supply oxygen, but also they provide us with fuel, food, shelter, clothing, and medicine. Drawing from the book Fifty Plants That Changed the Course of History by Bill Laws, this lecture will explore a subset of those plants that have had the most significant impact on human civilization.

Instructor: Carol Gravens is a St. Louis Advanced Master Gardener, Master Naturalist, and Plant Doctor at Missouri Botanical Garden. She retired from a professional career as a microbiologist and in her retirement completed a degree in horticulture. As a member of the Master Gardener Speakers’ Bureau, she gives nature talks and presents lectures on orchids and on general-interest plant-related topics.

Coordinator: Steve Clarey

Course Number: OSHR-70156   Credit: 0 units

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