Ulmus 'Frontier'
Subtitle: U.S. National Arboretum plant introduction : floral and nursery plants research unit
Contributors: National Arboretum (U.S.)
Publisher: [U.S. National Arboretum, U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1998
Place of publication: [Washington, DC] (3501 New York Ave., N.E., Washington 20002)
Language: eng
Subjects: Elm -- United States
Notes: Shipping list no.: 98-0334-P