e book “Liverwort genera of Thailand” by Assoc. Prof. Dr. Phiangphak Sukkharak, Department of Biology, Faculty of Science, Burapha University, provides a synopsis on the liverwort genera of Thailand, in which 520 species in 93 genera and 39 families have been reported, representing about 7% of the world’s liverwort species. e book consists of an introduction to liverworts, history of liverwort studies in Thailand, classification cation of liverworts in Thailand, key to genera of liverworts found in Thailand, generic descriptions, illustrations, discussion of the most important features for identification cation, data on the distribution and ecology, as well as the number of species worldwide and in Thailand.