Other
Lichenland: The Fungus Meets an Alga
This effective site explains how a lichen is formed and then delves into the sensitivity and usefulness of lichens.
University of Guelph
Canada's Aquatic Environment: Lichens
Find out the exact definition for a lichen when you explore this resource. Examine the morphology, reproduction and importance of Lichen through the content of this resource.
Earth Life
Earth Life Web: Loveable Lichens
At this site from Earth-Life Web you can learn about lichens including how they grow and reproduce. Colorful photos and a list of resources are included.