Russian collections: Dmitry Demin (Moscow)

Georgy Popov. A fresh look on Tephrocactus weberi

Natalia Ponomareva. Our calendar: historic dates for 2012

Gordon Rowley is 90!

Konstantin Korotkov. Systematics, Taxa, Typification, Classification

Helmut Amerhauser is 70!

Natalia Schelkunova, Vitaly Kulakov. Mini-encyclopaedia of popular cacti and other succulents

Grzegorz Matuszewski. How I found Mammillaria roemeri W. Krueger & W.Rischer

Vladimir Boxer. History of magazine “Areola”

Georgy Popov. Identify this plant !

Nikolay Fedjukin (1960-2011)

Victor Gapon, Gert Neuhuber. New subspecies of Gymnocalycium carolinense Neuhuber

Valery Zlotin . Raphionacme procumbens Schltr

V. Gapon. Gymnocalycium riojense subspec. paucispinum, Gymnocalycium riojense subspec. paucispinum var. platygonum, Gymnocalycium riojense subspec. paucispinum var. guasayanense

Gymnorus №29