This book provides a comprehensive reference for the cultivation of bacteria, Archaea, and fungi from diverse environments, including extreme habitats. Expanded to include 2,000 media formulations, this book compiles the descriptions of media of relevance for the cultivation of microorganisms from soil, water, and air. The format allows easy reference to the information needed to prepare media for the cultivation of microorganisms required for environmental analysis, including the determination of water safety. The media are organized alphabetically, and each listing includes medium composition, instructions for preparation, commercial sources, and uses.