Botanical Gardens:

Arnold Arboretum, Harvard

Australian National Botanic Gardens

Dawes Arboretum, Ohio

Devonian Botanic Garden, University of Alberta

Fairchild Tropical Garden, Florida

Missouri Botanical Garden

New York Botanical Gardens

Norfolk Island Botanic Gardens

Royal Botanic Gardens, Kew, Library & Archives Collections

Royal Botanic Gardens, Sydney, Australia

Royal Botanical Gardens, Kew

San Antonio Botanical Gardens, Texas

South Carolina Botanical Garden

University of California Botanical Garden

University of Delaware Botanic Gardens

University of Nebraska, Lincoln, Botanical Garden & Arboretum

University of Washington Medicinal Herb Garden

Utrecht University Botanic Gardens