The 2nd edition of Bergey’s Manual of Systematic Bacteriology details the classification and cultural characteristics of prokaryotes. The text is organized by molecular-based classification systems. Bergey's is necessary for any student who wishes to learn about a specific species, genus, family, or species or to know more about prokaryote taxonomy in general.
The 5-volume consists of:
- Volume 1 (2001): The Archaea and the deeply branching and phototrophic bacteria
- Volume 2 (2005): The Proteobacteria—divided into three books:
- 2A: Introductory essays
- 2B: The Gammaproteobacteria
- 2C: The Alpha-, Beta-, Delta-, and Epsilon-proteobacteria
- Volume 3 (2009): The Firmicutes
- Volume 4 (2011): The Bacteroidetes, Spirochaetes, Tenericutes, Mollicutes, Acidobacteria, Fibrobacteres, Fusobacteria, Dictyoglomi, Gemmatimonadetes, Lentisphaerae, Verrucomicrobia, Chlamydiae, and Planctomycetes
- Volume 5 (in two parts) (2012): The Actinobacteria