Cactus and Succulent Indexes and Services on the Internet

BONAP The Biota of North America Program
On-line Guide to the positive identification of Members of the Cactus Family
Echinocereus-Homepage E-zine from Martina and Andreas Ohr (Germany). Updated monthly on the first day of the month
Field Collector Acronym Database
Field Number Database
James Mauseth Labs Professor James Mauseth at the University of Texas in Austin heads an important school of biological research into the Cactaceae. This website gives information about their research, publications and gives a complete bibliography.
Jan's Kakteenseite An extensive site in German which a good entry point for the German Cactus Web
Kaktusy i Inne (Cacti & Others) Good starting points for Polish Links on Cacti and Succulents.
Interactive Mesembs A major database of Mesemb information
The Paradise Brazilian Cacti and Bromeliads by Pierre Braun and Eddie Esteves
Le Cactus Francophone A very comprehensive and well organised index of French language Cactus and Succulent information by Yann Cochard
The Succulent Plant Page Organised by Richard Hodgkiss, includes a picture gallery of Asclepiads and Haworthias.
Succulent Plant Resource
Site of Journal 'Cultivar' Articles, photos about unusual colour forms of cacti and succulents in Russian and English. Owned by Valerij Kalishev, Chelyabinsk.