Alabama Donald E. Davis Arboretum, Auburn University
Arizona Boyce Thompson Arboretum, Superior
California Fullerton Arboretum, California State University, Fullerton
Eddy Arboretum, Placerville
Los Angeles County Arboretum, Arcadia
San Francisco Botanical Garden at Strybing Arboretum
UC Davis Arboretum, University of California, Davis
Florida Fairchild Tropical Botanic Garden, Coral Gables
Gifford Arboretum, University of Miami, Coral Gables
Palm and Cycad Arboretum, Florida State College, Jacksonville
Hawaii Lyon Arboretum, Honolulu
Idaho University of Idaho Arboretum, Moscow
Illinois Morton Arboretum, Lisle
Kentucky The Arboretum, University of Kentucky, Lexington
Louisiana Hilltop Arboretum, Louisiana State University, Baton Rouge
Massachusetts Arnold Arboretum, Boston
Michigan Nichols Arboretum, Ann Arbor
Minnesota Minnesota Landscape Arboretum, Chaska
Mississippi Crosby Arboretum, Mississippi State University, Picayune
New York Newman Arboretum, Cornell University, Ithaca
North Carolina Coker Arboretum, University of North Carolina, Durham
Ohio Dawes Arboretum, Newark
Holden Arboretum, Kirtland
Oregon Hoyt Arboretum, Portland
Peavy Arboretum, Oregon State University, Corvallis
Pennsylvania Morris Arboretum at the University of Pennsylvania, Philadelphia
Tennessee University of Tennessee Arboretum, Oak Ridge
Utah Red Butte Arboretum, Salt Lake City
Virginia Edith J. Carrier Arboretum, Harrisonburg
State Arboretum of Virginia, Boyce
Washington Washington Park Arboretum, University of Washington, Seattle
Washington, DC U.S. National Arboretum
Wisconsin University of Wisconsin Arboretum, Madison
Arizona Boyce Thompson Arboretum, Superior
California Fullerton Arboretum, California State University, Fullerton
Eddy Arboretum, Placerville
Los Angeles County Arboretum, Arcadia
San Francisco Botanical Garden at Strybing Arboretum
UC Davis Arboretum, University of California, Davis
Florida Fairchild Tropical Botanic Garden, Coral Gables
Gifford Arboretum, University of Miami, Coral Gables
Palm and Cycad Arboretum, Florida State College, Jacksonville
Hawaii Lyon Arboretum, Honolulu
Idaho University of Idaho Arboretum, Moscow
Illinois Morton Arboretum, Lisle
Kentucky The Arboretum, University of Kentucky, Lexington
Louisiana Hilltop Arboretum, Louisiana State University, Baton Rouge
Massachusetts Arnold Arboretum, Boston
Michigan Nichols Arboretum, Ann Arbor
Minnesota Minnesota Landscape Arboretum, Chaska
Mississippi Crosby Arboretum, Mississippi State University, Picayune
New York Newman Arboretum, Cornell University, Ithaca
North Carolina Coker Arboretum, University of North Carolina, Durham
Ohio Dawes Arboretum, Newark
Holden Arboretum, Kirtland
Oregon Hoyt Arboretum, Portland
Peavy Arboretum, Oregon State University, Corvallis
Pennsylvania Morris Arboretum at the University of Pennsylvania, Philadelphia
Tennessee University of Tennessee Arboretum, Oak Ridge
Utah Red Butte Arboretum, Salt Lake City
Virginia Edith J. Carrier Arboretum, Harrisonburg
State Arboretum of Virginia, Boyce
Washington Washington Park Arboretum, University of Washington, Seattle
Washington, DC U.S. National Arboretum
Wisconsin University of Wisconsin Arboretum, Madison