Kinn River Canyon Arboretum Seacrest Arboretum 

 River Falls, Wis. Wooster, Ohio 



Longwood Gardens 

 Kennett Square, Pa. 



Strybing Arboretum 

 San Francisco, Calif. 



Los Angeles State and County 

 Arboretum 

 Arcadia, Calif. 



The Morris Arboretum 

 Philadelphia, Pa. 



Morton Arboretum 

 Lisle, 111. 



Swarthmore College 

 Swarthmore, Pa. 



United States National Arboretum 

 Washington, D.C. 



University Farm 

 University of California 

 Davis, Calif. 



The New York Botanical Garden 



New York, N.Y. 



Norfolk Botanical Garden 

 Norfolk, Va. 



Oregon State University 

 Corvallis, Oreg. 



University of Minnesota 

 Landscape Arboretum 

 Chaska, Minn. 



University of Washington 



Arboretum 

 Seattle, Wash. 



Winterthur Gardens 

 Winterthur, Del. 



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