Bellevue Botanical Garden, Washington
Devonian Botanic Garden, Alberta
Dunn Gardens, Washington
The Elisabeth Carey Miller Botanical Garden, Washington
Glendale Gardens & Woodland, BC
Kruckeberg Botanic Garden, Washington
Milner Gardens and Woodland, BC
Rancho Santa Botanic Garden, California
Royal Botanic Garden Edinburgh, UK
Royal Botanic Gardens, Kew, UK
Royal Botanical Gardens, Ontario
Royal Horticultural Society, UK
Santa Barbara Botanic Garden, California
Strybing Arboretum and Botanical Garden, California
Sunshine Coast Botanical Garden Society, BC
University of California Botanical Garden, California
Woodland Gardens, BC