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Document Date: 2011-06-22 11:19:41Open Document File Size: 93,67 KBShare Result on FacebookCityPhiladelphia / /ContinentEurope / /CountryUnited States / /FacilityPennsylvania State College / Cornell University / Arnold Arboretum / /OrganizationMassachusetts Horticultural Society / Royal Horticultural Society of London / American Horticultural Society / Pennsylvania State College / Cornell University / /PersonRichard Howard / Charles Sargent / Donald Wyman / /Positionpresident / director / and trustee / trustee / years Horticulturist / director emeritus / founding director / Horticulturist / /SocialTag |