""Muscologia Britannica"" is a comprehensive guide to the mosses of Great Britain and Ireland, written by William Jackson Hooker and published in 1818. The book provides a systematic arrangement and detailed descriptions of various species of mosses found in these regions. It includes illustrations and diagrams to aid in identification and classification. This book is considered a seminal work in the field of bryology and is still referenced by botanists and naturalists today.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.