Medicinal Lichens

• Explores more than 400 species of lichens, alongside full-color photos

• Shows the ways that indigenous peoples of North America have traditionally used lichens for food, clothing, dye, paint, and medicine

• Explains in detail the scientific research behind the potency of lichen chemicals to heal many human conditions

Lichens—a symbiosis of fungi, algae, bacteria, and yeast—can grow on nearly any s...