Description
Written by Giovanna Anceschi and Alberto Magli, a treatise on cacti in South America.
Part 1 deals with dominant species in Parodia Spegazzini, and Part 2 deals with a new circumscription of the concept of Echinopsis (Cleistocactus) buchtienii and the inclusion of Cleistocactus tupizensis sensu Backeberg in the Echinopsis (Cleistocactus) nothohyalacantha complex.