Canadian Botanical Conservation Network A registered charitable organization which helps conserve biological diversity through networking tools and conservation programs for botanical gardens and arboreta. http://www.rbg.ca/cbcn/
City Farmer's Urban Agriculture Notes A non-profit society that promotes urban food production and environmental conservation. http://www.cityfarmer.org/
International Code of Nomenclature for Cultivated Plants An extensive list of worldwide contacts of associations organised in taxonomic order. http://www.ishs.org/sci/icralist/icralist.htm
Lesbian Gardens Special thoughts on growing plants, various links and member information. http://lesbiangardens.net/
The Brown Lawn Society Organization encouraging environmentally friendly methods for lawn care such as the reuse of rainwater and natural pest collectors. http://www.brownlawnsociety.org
The Garden Club of America Umbrella organization for US and Canadian local garden clubs. Sites lists clubs and their websites, botanical gardens, pamphlets, and position papers. http://www.gcamerica.org/
The Mediterranean Garden Society International society for gardeners in mediterranean climates. History, membership information, journal contents, news, and event listing. http://www.mediterraneangardensociety.org/
The Professional Gardeners Guild An organisation for gardeners employed in private gardens and estates. Based in the UK with members in European countries and the United States. http://www.pgg.org.uk/
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