The New Cactus Lexicon Illustrations

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Published as the second volume of The New Cactus Lexicon in 2006, this Atlas aims to be the most comprehensive collection of cactus species images available in book form. It serves as a valuable reference for those interested in the cactus family or needing to identify specific specimens. This edition is a reprint of the original, featuring corrections, a reduced page size to lower production costs, and a significant decrease in cover price. The reprint also allows for updates based on recent research that suggests improvements to cactus classification, along with minor rearrangements that maintain the overall structure. Over the past two decades, molecular studies have advanced our understanding of cactus phylogeny and evolution, revealing relationships previously inferred from morphological traits. However, while molecular evidence can indicate relatedness, it does not dictate the taxonomic rank of these groups or how they should be distinguished practically. Thus, differing opinions on cactus classification persist, and a consensus on an updated list of recognized genera remains elusive. Only a small portion of the family has undergone thorough analysis, with results awaiting further validation. Regardless of nomenclature, the plants themselves remain constant, and the photographic documentation serves as a factual and enduring record, akin to preserved specimens in a herbarium.