Commencing with a chapter which places Physcomitrella into phylogenetic position, this important publication then covers the following major topics. Population genetics, genome, transcripts and metabolomics, gene targeting, hormones, small RNAs, tip growth, chloroplasts, sporophyte development, desiccation and oxidative stress, sugar metabolism, and pathogenesis. With chapters contributed by many of the World's leading workers in the area, this landmark book is essential reading for all those studying plant evolutionary biology, genomics, molecular and cell biology and genetics.