Washington, D.C. (3501 New York Ave., N.E., Washington 20002) : U.S. National Arboretum, U.S. Dept. of Agriculture, Agricultural Research Service, [2001]
Mode of access: Internet from USNA web site. Address as of 1/10/04: http://www.usna.usda.gov/Newintro/BetsyRoss.pdf; current access available via PURL.
Note
Title from title screen (viewed on Jan. 10, 2004).
"U.S. National Arboretum Plant Introduction, Floral and Nursery Plants Research Unit."
