Ferns, horsetails and clubmosses are a surprisingly diverse group with a fascinating natural history. Some ferns are as tiny as golf tees, and others may tower to head height. Horsetail stem
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,
