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The Garden Club of America - http://www.gcamerica.org/
Umbrella organization for US and Canadian local garden clubs. Sites lists clubs and their websites, botanical gardens, pamphlets, and position papers. |
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Canadian Botanical Conservation Network - http://www.rbg.ca/cbcn/
A registered charitable organization which helps conserve biological diversity through networking tools and conservation programs for botanical gardens and arboreta. |
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The Mediterranean Garden Society - http://www.mediterraneangardensociety.org/
International society for gardeners in Mediterranean climates. History, membership information, journal contents, news, and event listing. |
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International Code of Nomenclature for Cultivated Plants - http://www.ishs.org/sci/icralist/icralist.htm
A list of worldwide contacts of associations organised in taxonomic order. |
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The Professional Gardeners Guild - http://www.pgg.org.uk/
An organisation for gardeners employed in private gardens and estates. Based in the UK with members in European countries and the United States. |