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History
- Published online July 1, 2014.
Copyright & Usage
© 2014, International Society of Arboriculture. All rights reserved.
Author Information
- Gary W. Watson (corresponding author), The Morton Arboretum, 4100 Illinois Route 53, Lisle, Illinois 60532, U.S., gwatson{at}mortonarb.org
- Angela M. Hewitt, The Morton Arboretum, 4100 Illinois Route 53, Lisle, Illinois 60532, U.S.
- Melissa Custic, The Morton Arboretum, 4100 Illinois Route 53, Lisle, Illinois 60532, U.S.
- Marvin Lo, The Morton Arboretum, 4100 Illinois Route 53, Lisle, Illinois 60532, U.S.