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United States Department of Agriculture

Agricultural Research Service

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CHRISTOPHER N. UPTON
Gardens Unit
Horticulturist

Phone: (202) 245-2706
Fax: (202) 245-5973
Room 136D
U.S. NATIONAL ARBORETUM
ADMINISTRATION
3501 NEW YORK AVENUE, NE.
WASHINGTON, DC, 20002-1958


Last Modified: 9/29/2014