AFFILIATES:

Arizona-Sonora Desert Museum
Arizona Native Plant Society
Arkansas Native Plant Society
Botanic Gardens Conservation International
California Native Plant Society
California Oak Foundation
Colorado Native Plant Society
Florida Native Plant Society
Grand Prairie Friends of Illinois
Herb Society of America
Idaho Native Plant Society
Indiana Native Plant and Wildflower Society
Iowa Native Plant Society
Kansas Native Plant Society
Kauai Native Plant Society
Lady Bird Johnson Wildflower Center
Maryland Native Plant Society
Minnesota Native Plant Society
Missouri Native Plant Society
Montana Native Plant Society
Native Plant Society of New Jersey
Native Plant Society of New Mexico
Native Plant Society of Northeastern Ohio
Native Plant Society of Oregon
Native Plant Society of Texas
Native Prairies Association of Texas
New England Wild Flower Society
New Mexico Rare Plant Technical Council
North Carolina Botanical Garden
North Carolina Wild Flower Preservation Society
Oklahoma Native Plant Society
South Carolina Native Plant Society
Ticonderoga Arboretum and Botanical Gardens
Utah Native Plant Society
Virginia Native Plant Society
Washington Native Plant Society
West Virginia Native Plant Society 
Wyoming Native Plant Society

COOPERATORS:

BotresearchUSA
CalFlora Database
California Trout
Center for Native Ecosystems
Defenders of Wildlife
Endangered Species Coalition
Forest Service Employees for Environmental Ethics
Pacific Rivers Council
PlantaEuropa
PlantLife, UK
Public Employees for Environmental Responsibility
T&E Inc.
Xerces Society