Mesemb Study Group A short period after that stopped, Jennifer and I started the seed distribution for the Mesemb Study Group that is still going strong after around 25 years. Suffering from a Bad Case of Cactusitis ? This condition can be dangerous if left untreated. The recommended remedy is to subscribe to a Cactus Journal Meetings From The company is a CITB, ITSSAR, UKATA, Lantra, CPCS, IPAF, PASMA, JAUPT,…