Sites:
| American Association of Amateur Arborists: A loose association of individuals and groups interested in learning more about trees and other woody plants. | | American Conifer Society: Association for the development, conservation, and propagation of conifers, with an emphasis on those that are dwarf or unusual. Photo gallery, database, information about membership and journal. | | British Conifer Society: Organization for gardeners and collectors of ornamental, dwarf and rare conifers, owners and managers of arboreta and nurseries, and professional botanists. Photo gallery and database, excerpts from the journal. | | California Macadamia Society: Non-profit corporation dedicated to promoting the advancement and improving the culture and production of the Macadamia nut. | | Magnolia Society International: A worldwide organization of gardeners, nurserymen and other people who are devoted to the appreciation and study of magnolias. |
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Classical
