North American Orchid Conservation Center
Coalition of organizations dedicated to conserving the diverse orchid heritage of North America. Edgewater, Maryland, United States.
Florida's Native and Naturalized Orchids
Images and other information about orchids found in the state of Florida. Prem Subrahmanyam. Florida, United States.
Offering terrestrial orchids suitable for temperate climate gardens. Established 2006. Seattle, Washington, United States.
Native Orchid Preservation and Education Society
Working to improve and preserve the orchid habitat in Cranberry Bog. Buckeye Lake, Ohio, United States.
European and North American native orchid information including images, descriptions, and distribution maps. Jean-Luc and Elisabeth. France.