Akron Zoological Park
Arboretum of the Barnes Foundation
Atlanta Botanical Garden
Baker Arboretum
Bartlett Tree Research Laboratories
Bellevue Botanical Garden
Birmingham Botanical Gardens
Boone County Arboretum
Brookgreen Gardens
Brooklyn Botanic Garden
Cape Fear Botanical Garden
Chadwick Arboretum & Learning Gardens, The Ohio State University
Chanticleer
Cheekwood Botanical Garden and Museum of Art
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Cincinnati Zoo and Botanical Gardens
Coastal Maine Botanical Gardens
Connecticut College Arboretum
Cornell Plantations
Davis Arboretum, Auburn University
Denver Botanic Gardens
Desert Botanical Garden
Devonian Botanic Garden, University of Alberta
Elisabeth C. Miller Botanical Garden
Elmhurst College Arboretum
Fernwood Botanical Garden
Fort Worth Botanic Garden
Frederik Meijer Gardens & Sculpture Park
Gainesway Farm Inventory
Greater Des Moines Botanical Garden
Green Bay Botanical Garden
Hawaii Tropical Botanical Garden
Hidden Lake Gardens, Michigan State University
Hoyt Arboretum
Huntington Botanical Gardens
Huntsville Botanical Garden
JC Raulston Arboretum
Jensen-Olson Arboretum
Lauritzen Gardens
Lewis Ginter Botanical Garden
Longwood Gardens
Lyon Arboretum, University of Hawaii at Manoa
Mariana H. Qubein Arboretum & Botanical Gardens
Maymont Foundation
McLaughlin Garden and Homestead
Memorial University of Newfoundland Botanical Garden
Minnesota Landscape Arboretum
Missouri Botanical Garden
Moore Farms Botanical Garden
Morris Arboretum of the University of Pennsylvania
Mount Auburn Cemetary
Mt. Cuba Center
Myriad Botanical Gardens
National Tropical Botanical Garden
New York Botanical Garden
Norfolk Botanical Garden
Olbrich Botanical Gardens
Paul J Ciener Botanical Garden
Phipps Conservatory and Botanical Gardens
Quarryhill Botanical Garden
Rancho Santa Ana Botanic Garden
Red Butte Garden, University of Utah
Reiman Gardens, Iowa State University
Riverbanks Zoo & Garden
Royal Botanical Gardens
San Francisco Botanical Garden Society
Sarah P. Duke Gardens
Sawtooth Botanical Garden
Scott Arboretum of Swarthmore College
Sister Mary Grace Burns Arboretum, Georgian Court University
Smithsonian Gardens
State Botanical Garden of Georgia
State Botanical Garden of Kentucky
The Arboretum at Penn State
The Arnold Arboretum of Harvard University
The Bloedel Reserve
The Botanic Garden of Smith College
The Brenton Arboretum
The Dawes Arboretum
The Dow Gardens
The Gardens on Spring Creek
The Holden Arboretum
The Morton Arboretum
The Polly Hill Arboretum
Toledo Botanical Garden
Tulsa Botanic Garden
Tyler Arboretum
University of British Columbia Botanical Garden
University of California Botanical Garden at Berkeley
University of Delaware Botanic Garden
University of Florida IFAS NFREC
University of Idaho Arboretum & Botanical Garden
University of Michigan Matthaei Botanical Gardens & Nichols Arboretum
University of Washington Botanic Gardens
University of Wisconsin-Madison Arboretum
US Botanic Garden
US National Arboretum
Wave Hill
W.J. Beal Botanical Garden and Campus Arboretum, Michigan State University
Wellesley College Botanic Gardens
Windmill Island Gardens
Winterthur Garden