The American Orchid Society (AOS) is a horticultural society for education, conservation, and research of orchids. It was founded in 1921, and has an international membership. It is a nonprofit 501(c)(3) organization. It has been called an "industry group". As of 2001 it was the largest special interest horticultural organization in the world. The AOS is the parent organization for local orchid societies in North and South America. It is affiliated with 600 orchid societies worldwide. A local commercial orchid grower, Robert Fuchs, said, "The American Orchid Society has the best orchid library in the Americas and orchid art work that is phenomenal." As of 2004 annual dues were $40.