- Botaniké (Italy)
- Brookside Nursery (UK) Spring 98 List
- Cactuskwekerij Stolk (Holland) Wholesale
- Cactus Heaven (Malta) Cactus and Succulent Seeds and Plants. 1998 Lists
- Cactus Mania (Italy)
- Cactus Sargantana (Mallorca, Spain)
- Cono's Paradise (Germany)
- Cristates (cactus + succulent) (Spain)
- Seedling Cacti from Richard & Wendy Edginton (UK)
- Exotica: Botanische Raritaten (Germany) Ernst Specks
- Holly Gate Cactus Nursery (UK)
- IMZAADEX (Holland) Wholesale Cactus and Succulent Seeds
- Kakteen aus der Ilmesmühle
- Kakteen Gautschi (Switzerland)
- mesemb seedlings available from Achim Hecktheuer (Germany)
- Kakteen-Haage (Germany) 1997 Plant and seed catalog now available
- G Köhres (Germany) Tillandsias and seeds
- Henri Kuentz et ses cactus (France)
- Leyland Cacti (UK) Wholesale Nursery
- Plants available from Dr Ralph Martin (UK)
- navajo country (Germany) 1997/98 catalog
- New Forest Cacti (UK)
- Frans Noltee (Holland) April 1998 Catalog with Photographs
- Pete and Ken Cactus Nursery (UK) Spring 1998 Catalog
- Petr Pavelka's Seed List (Czech Republic)
- Doug and Vivi Rowland (UK) Seeds from many Succulent Plant Families
- Plantlife (UK)
- Elizabeth Prediger (Spain)
- Georg Schwarz (Germany)
- Rob Scott Cacti (UK)
- Paul Shirley Succulents (Holland)
- SuccSeed (Sweden) Cactus Seeds
- Toobees Exotics (UK)
- Uhlig Kakteen (Germany)
- van de Velde cactussen & vetplanten (Holland) Wholesale
- Vivaio Corazza (Italy)
- Westfield Cacti (UK)
- Whitestone Gardens Ltd (UK)
- Biotechnología Vegetal (Mexico) Micropropagated Cacti and Succulents
- Selecta Succulents (South Africa)
- Silverhill Seeds (South Africa)
- Yamashiroaisen-en (Japan)
- Abbey Garden Cacti and Succulents (California)
- American Desert Plants Pictures, Secure Shopping (Tuscon, Arizona)
- Arid Lands Greenhouses Catalog and Photographs
- Arizona Cactus Sales (Chandler, Arizona)
- Blue Diamond Nursery
- Bob Smoley's Gardenworld
- Burks' Nursery (Arkansas)
- The Cactus Hut Retail outlet for plants, seeds, cactus gardens and related products
- Cactus King Nursery
- Cactus Specialties (California) Jim Boehmke, Hardy Plants
- California Cactus Center
- Chesapeake Plants Cacti, succulents, tillandsias and carnivorous plants
- Ecoscape Aloe polyphylla
- Glasshouse Works
- GreenWeb
- The Great Petaluma Desert (California)
- Guy Wrinkle/Exotic Plants (California)
- John Shelley's Garden Center & Nursery
- Maccactus Cactus and Succulent Nursery (Georgia)
- Mesa Cactus Sales
- Mesa Garden (New Mexico)
- Miles' To Go A very extensive number of photographs
- Nature's Curiosity Shop
- Peltech Nursery
- Phoenix Desert Cactus Nursery Wholesale, landscaping specimens
- Plant Delights Nursery Many unusual plants including quite a few hardy succulents
- Rainbow Gardens 1998 Flowering Jungle Cacti Catalog
- Rare Plant Research 1998 Catalog
- SBE's Worldwide Cacti and Succulent Seedlist
- Serra Gardens Landscape Succulents
- South Bay Growers (Florida)
- Strongs Alpine Succulents (Arizona)
