■ Alberta Native Plant Council 
■ Arizona Native Plant Society 
■ Arkansas Native Plant Society

■ American Society of Plant Biologist

■ Botanical Society of America 
■ Native Plant Society of British Columbia 
■ California Native Plant Society 
■ Colorado Native Plant Society 
■ Connecticut Botanical Society 
■ Delaware Native Plant Society 
■ Mt Cuba Center 
■ Florida Native Plant Society 
■ Georgia Native Plant Society 
■ Idaho Native Plant Society 
■ Indiana Native Plant and Wildflower Society 
■ Kentucky Native Plant Society 
■ Louisiana Native Plant Society 
■ Maryland Native Plant Society 
■ New England Wild Flower Society 
■ Minnesota Native Plant Society 
■ Center for Plant Conservation 

■ The Native Plant Society of New Jersey 
■ The Native Plant Society of New Jersey 
■ Native Plant Society of New Mexico 
■ New York Flora Association 
■ The Finger Lakes Native Plant Society of Ithaca 
■ Nova Scotia Wild Flora Society