Download or read book American Arctic Lichens: The macrolichens written by John Walter Thomson and published by Columbia University Press. This book was released on 1984 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists a total of 965 species in 168 genera in the two volumes, describing the species including distribution maps covering Alaska, Canada, Greenland and Iceland. Includes an overview of the geology, climate, geography and ecology of the American arctic.