Lichens of the north woods
Lichens have the capability to dissolve granite. They are very colorful; oranges, yellows, greens, blacks and whites adorn trees, bedrock and even gravestones. This field guide spotlights 120 species, shown in color photos with natural history text
Print Book, English, ©2007
Kollath+Stensaas Pub. ; [Distributed by Adventure Publications], Duluth, MN, [Cambridge, MN], ©2007