- The Cactus Explorers Club Journal – A Free On-line Journal
http://www.cactusexplorers.org.uk/journal6.htm
- Cacti Guide.com
http://cactiguide.com
- The Cactus and Succulent Plant Mall
www.cactus-mall.com
- Chuck Everson Bookseller
http://www.chuckeversonbookseller.com
- Dave’s Garden
http://davesgarden.com
- Desert Tropicals
www.desert-tropicals.com
- Garden Web
http://forums.gardenweb.com/forums/cacti/
- The Prickly Palace
(wholesale nursery, but VERY active in the Southern California succulent community)
http://www.pricklypalace.com