Promoting and supporting the passion for orchids through education, conservation, and research. Founded 1921. Coral Gables, Florida, United States.
Associazione Italiana di Orchidologia
Aiming to increase and disseminate knowledge and interest in orchids. Rome, Italy.
Asociación Bogotana de Orquideología
Encouraging community participation in the cultivation and protection of orchids. Bogotá, Colombia.
An organization for coordinating orchid growing across the country and publisher of "Orchids Australia" magazine. Founded 1960. South Australia, Australia.
Horticulture information and publishers of the "The Orchid Review", the oldest orchid publication in the world. Founded 1804. United Kingdom.
An association of enthusiasts who share a fascination with orchids. Prague, Czech Republic.
Arbeitsgruppe Einheimische Orchideen Aargau
Promoting orchid science and the protection of natural habitats. Switzerland.
New Zealand Native Orchid Group
Members engage in the observation, study, and conservation of New Zealand's native orchids. New Zealand.
Sociedad Colombiana de Orquideologia
Promoting the study, research, cultivation, conservation, and hybridization of orchids. Founded 1964. Medellín, Colombia.
Orchid Society of Great Britain
Providing a place for local and international orchid enthusiasts to share their common interest. Founded 1951. London, England, United Kingdom.
Promoting interest in the study of native European orchids and those from similar temperate climates throughout the world. Founded 2005. United Kingdom.
ANOS - Australasian Native Orchid Society
Dedicated to the cultivation, conservation, and scientific study of native orchids in the Australasian region. Founded 1963. Melbourne, Victoria, Australia.
Deutsche Orchideen-Gesellschaft (DOG)
Promoting orchid science and making it accessible to all interested parties. Founded 1906. Niedernhausen, Hesse, Germany.
Encouraging education and enthusiasm for growing orchids. Publisher of "Orchid Digest" magazine. Founded 1937. Laguna Niguel, California, United States.
Magazine with a focus on the culture of tropical orchids. Ruhmannsfelden, Bavaria, Germany.
Nederlandse Orchideeën Vereniging
Coordinating organization for the Dutch groups whose members share an interest in orchids. Founded 1931. Netherlands.
Vereinigung Deutscher Orchideenfreunde
The parent organization of affiliated orchid associations and publisher of the "OrchideenJournal". Göttingen, Lower Saxony, Germany.
Community of about 700 enthusiasts sharing an interest in orchids. Founded 1961. Helsinki, Finland.
Membership in the CSA is currently suspended. Founded 1946. California, United States.