Join Peter Del Tredici, senior research scientist at the Arnold Arboretum of Harvard University, for an in-depth look at one of the most ancient and fascinating trees on the planet: the ginkgo. Del Tredici has been studying the natural history and evolution of the species for the last 25 years. His most recent travels have taken him to remote areas in southwest China in search of wild-growing ginkgos. Free. No reservations required. Friends' Hall
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