Information about lichens including fossil record, life history, ecology, morphology and systematics.
Lichen definition, any complex organism of the group Lichenes, composed of a fungus in symbiotic union with an alga and having a greenish, gray, yellow, Lichenous · Lichen planus · Lichen nitidus.
LICHEN BIOLOGY AND THE ENVIRONMENT. THE SPECIAL BIOLOGY OF LICHENS. Go to Lichen Vocabulary (A discussion of lichen growth forms and.