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The Nebraska Statewide Arboretum is an arboretum and botanical garden composed of nearly 100 arboretums, parks, and other public landscapes in 56 communities across Nebraska, and supported by the arboretum office at the University of Nebraska campus in Lincoln, Nebraska. The arboretum was started in 1978, and is an affiliate of the Center for Plant Conservation.
Some of its larger collections include sites at Omaha's Metropolitan Community College at Fort Omaha, Joslyn Castle, Swanson Science Park, the Blair Community Arboretum (Steyer Park, Black Elk Park, and the Dana College campus), Gilman Park Arboretum in Pierce, and Clemmons Park Arboretum in Fremont.