Common Lichens of the Eastern United States: Easily Identify 58 Widespread Types

Lichens are all around us, clinging to city trees, carpeting forest floors, and painting rocks with brilliant hues. Yet most people walk right past these fascinating organisms without realizing what they’re seeing. Whether you’re a backyard naturalist, a seasoned hiker, or someone who’s curious about the natural world, this easy-to-use guide helps you recognize and ...