Suomen jäkäläopas / Lichen Flora of Finland. 2011. (Norrlinia, 21). col. photogr. maps. 534 p. gr8vo. Hardcover.- In Finnish, with English abstract and Swedish nomenclature.

The book deals with all the macrolichens and some of the most common crustose lichens known from Finland. The total number of species, subspecies or varieties treated is 481. In the introductory section topics such as lichen morphology, chemistry, reproduction, taxonomy, ecology and threatened species are discussed. An overview of lichen research in Finland is also provided. The treatment of taxa includes genus and species descriptions, the most common colour reactions and chemical substances as well as ecological and distribution data. Common synonyms and threat status are given where relevant. For genera with multiple taxa an identification key is also included. Furthermore, a key to parmelioid taxa is provided. Each taxon is illustrated with a colour photograph and a distribution map. Distribution data are based on field studies of the authors, herbarium specimens and literature. The scientific, Finnish and Swedish names of all taxa are indexed, and a glossary of terms is included. In addition, the book includes a simple Finnish-English dictionary of key words used in descriptions as well as a list of selected references.