Arnold Arboretum of Harvard University
America's oldest public arboretum displaying over 15,000 woody plants and offering educational programs for people of all ages.
www.arboretum.harvard.edu
Institute for Cultural Landscape Studies
Dedicated to supporting the understanding and management of landscapes with a significant history of human use.
www.icls.harvard.edu
Larz Anderson Bonsai Collection
Of the Arnold Arboretum at Harvard University.
www.arboretum.harvard.edu/plants/bonsai/intro.html