| Mesa Garden | Very extensive range particularly of North American and Mexican Cacti and Mesembs |
| Australian Succulents | Succulents seeds mostly from Australia |
| The BOTANICAL ARCHIVE | Italian eBay Store selling seeds |
| Cactus-Heaven | Mostly cacti, strong on rarer species |
| Arizona Cactus Garden | Australian Seed Supplier |
| Cactus Hobby Brno | Czech Republic - large very special cacti seedlists, retail, wholesale on-line distribution |
| Cacti and Succulents Ing.Kamil Prochazka | Prague Czech Republic - large cacti and succulent seedlist |
| Doug Rowland | Very wide range includes non-succulent exotic plants |
| HIGH QUALITY SEEDS | Adenium and Plumeiria Seeds |
| Uhlig Kakteen | This plant nursery also has an extensive seed list |
| Gerhard Koehres | Very extensive list from Germany |
| Lifestyle Seeds | Seeds from South Africa |
| Joel Lode | Very extensive list distributed from Spain. Details through Cactus Aventures |
| Navajo Country | Specialist List for Sclerocactus, Pediocactus etc. and Yucca seeds |
| Rare Seed Source | Palm & Cycads, Carnivorous, Succulents, Bonsai |
| Succseed | particularly strong on South American Cacti |
| Lithops Seeds and Plants | Lithops only |
| Trebrown Nursery | Palm, Cycad and other Exotic Plant Seed |
| rarepalmseeds.com | Palm, Cycad, Banana, Yucca and Agave seeds |
| British Cactus and Succulent Society | List not published on line - available only to members. Join Now |
| The Nopal Trade | Cactus and Succulent Seed from Mexico |
| Succulenta (Holland) | Extensive list - Available to non-members |
| Cactus & Co (Italy) | Free seed distribution for members. Join Now |
| Deutsche Kakteen Gesellschaft (Germany) | List not published on line - available only to members. |
| Mesemb Study Group | Mesemb Seed including items not available elsewhere.
List not published on line - available only to members. Join Now |
| International Asclepiad Society | Hard to find Asclepiad Seed.
List not published on line - available only to members. Join Now |
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