Contains a list of North American lichen-forming, saprophytic and lichenicolous fungi.

Promotes the appreciation, conservation, and study of lichens in western North America. Find out how to join, and read back issues of the Bulletin.

Oregon State University present the basic biology, identifying features, and life cycle of northwestern lichen. Includes a key.

Includes a searchable directory, a newsletter, medalists, endangered lichens, and lichen societies.

Offers an abstract from a research paper about lichens that live in Canada's Coppermine, Hood and Thomsen Rivers

Find details on this symbiotic plant's scientific classification, appearance, and habitat. Link to related resources.

Find a description of the lichens found in churchyards in England. Includes photos and a bibliography.

Defines the symbiotic relationship between the fungi and algae that forms the lichen association. See photos of fossil and morphological types.

Search for homepages of practicing lichenologists, or find lichen databases and specimen collections. List of endangered lichens includes photos.