A close look at the mute browns and grays of rocks and trees around us is often rewarded by the striking orange and yellow hues of lichens. This convenient guid
The definitive guide to California's diverse array of lichen flora, with color photographs and descriptions of over 500 species Lichens are among the most color
Based on the acclaimed reference Lichens of North America, this resource for the classroom, field, and laboratory presents updated and expanded keys for the ide
Lichens are a unique form of plant life, the product of a symbiotic association between an alga and a fungus. The beauty and importance of lichens have long bee
Lichens are highly valued ecological indicators known for their sensitivity to a wide variety of environmental stressors like air quality and climate change. Th