The 29th International Gymnocalycium-Symposium takes place in Radebeul, Germany from September 13th to September 15th, 2013. Take a look at the programme.
G. raineri STO 780
G. amerhauseri subsp. altagraciense VoS 641
G. matoense VoS 288
Based on my trip to Argentina (2013) 275 new entries were added to the category field numbers.
G. bruchii STO 702
G. riojense subsp. paucispinum VoS 856
G. bayrianum