Digging In banner photo, virtual lecture with Dr. Richard Olsen

Dr. Richard T. Olsen, Director of the National Arboretum, takes participants on a curated walk among some of the magnificent trees of the world. This presentation is a virtual tour of cultivated and non-cultivated landscapes highlighting incredible tree specimens, botanical curiosities, and the beautiful diversity of trees.

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Tags: arbor, arboretum, director, horticultural, horticulture, national arboretum, olsen, plants, richard olsen, trees, us national arboretum, usna

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