This volume investigates the ecological significance, identification, and distribution of bryophytes within the British Isles. The authors, both established experts in the field of bryology, synthesize decades of field research and taxonomic data to provide a comprehensive overview of mosses and liverworts. The text serves as a foundational reference for understanding these often-overlooked organisms within their specific environmental niches.

This work is regarded as a definitive entry in the New Naturalist series, valued for its technical rigor and accessibility to both amateur naturalists and professional botanists. The text provides a comprehensive, scholarly examination of bryophyte biology that remains a standard reference for the region.