General Resources
- American Bryological and Lichenological Society (ABLS)
- A Cumulative Checklist for the Lichen-forming, Lichenicolous and Allied Fungi of the Continental United States and Canada
- An Introduction to Lichens (New York Botanical Garden)
- Assessing Rarity of Species with Low Detectability: Lichens in Pacific Northwest Forests (downloadable PDF available at ella.gis.usu.edu/~utcoop/tce/publications/EdwardsEtAl_EcolAppl-2004.pdf)
- Biology Web Directory (with lichen, etc. resources)
- Biological Soil Crusts (USGS)
- British Lichen Society
- Bryolich – The Swiss bryology and lichenology page, with information and a news letter. Available in English, French and German
- California Lichen Society (CALS)
- Chemicals for Lichen Identification (British Lichen Society)
- Ethnolichenology (Wikipedia)
- Ethnolichenology of Bryoria fremontii (Stu Crawford, University of Victoria)
- Ethnolichenology in Iran (Myco-Lich – Online Mycology – Lichenology of Iran)
- Ethnolichenology of the World (Stu Crawford, University of Victoria)
- Foliicolous Bryopytes and Lichens of Thuja plicata in western British Columbia (downloadable PDF available at www.plantbiology.siu.edu/faculty/vitt/pdf/18-1972.PDF)
- Forest Health Indicators – Lichen Indicator (USDA Forest Service)
- Great Discoveries in Lichenology and Bryology (Downloadable PDF available at azolla.fc.ul.pt/documents/Schwendener00.pdf)
- Historical Lichenology (Royal Botanic Garden, Edinburg)
- Identifying North American Lichens: A Guide to the Literature
- International Association for Lichenology
- International Lichenological Newsletter
- Introduction to Lichens (University of California Museum of Paleontology)
- Inventory of the Mosses, Lichens and Liverworts of Olympic National Park
- Key to Dermatocarpon of the Pacific Northwest (Doug A. Glavich) (downloadable PDF available at gis.nacse.org/lichenair/doc/DermatocarponPNW06_V1.pdf)
- Key to the Lichen Genera of the Pacific Northwest (Bruce McCune) (downloadable PDF available at people.oregonstate.edu/~mccuneb/pnw.PDF)
- Laboratory of Palaeo-Lichenology
- Learning With Lichens: Using Epiphytic Lichens as Bio-Indicators of Air Pollution
- Lichen Apprenticeship Scheme Wales
- Lichen Succession on Twigs: An Ecological Learning Tool (downloadable PDF available at lichens.science.oregonstate.edu/lab/procedure%20.pdf)
- Lichen (Encyclopedia of Earth)
- Lichen Bibliography (Earth Life Web)
- Lichen Biology (U.S. Forest Service)
- Lichen Biology and Environment
- Lichen Key Archive
- Lichen PDF (various PDFs on lichens available at avidpdf.com, a PDF search engine and viewer)
- Lichen Portrait Gallery
- Lichen World 2: Lichen Biology and Surveying
- Lichenland (Oregon State University)
- Lichenology On-line (International Lichenological Newsletter)
- Lichenology Resources (University of Colorado at Boulder)
- Lichens (S-J Associates)
- Lichens (The Backyard Nature Website)
- Lichens and Lichen-Feeding Moths (Arctiidae: Lithosiinae) as Bioindicators of Air Pollution in the Rocky Mountain Front Range
- Lichens and People (Stephen Sharnoff Photography)
- Lichens and Wildlife (Stephen Sharnoff Photography)
- Lichens – Dual Organisms
- Lichens are Fungi (Utah State University)
- Lichens Home Page (of Stephen Sharnoff Photography)
- Lichens in a Greenhouse (Science)
- Lichens of British Columbia (E-Flora BC) (with multiple links and references)
- Lichens of North America
- Lichens of the Miller Springs Nature Center, Texas (follow the links to “fungi” and “lichens”)
- Lichens of the North Cascades Range (by George W. Douglas)
- Monographs in North American Lichenology
- More books on lichens (downloadable PDFs available at kobobooks.com)
- Mosses, Lichens and Liverworts of Olympic National Park (USGS, with links to books)
- Mycology Resources: Teaching (with links to lichen topics)
- Myco-Lich – Online Mycology -Lichenology of Iran
- National Lichens & Air Quality Database and Clearinghouse – Lichen Monitoring in US National Forests and Parks – Reports, Publications and Other Resources (United States Forest Service)http://blogs.nwic.edu/lichenblog/wp-admin/post.php?post=9&action=edit
- Natural Perspective: Lichens
- North American Lichen Checklist
- Northwest Lichenologists
- Oregon State University Lichen & Bryophyte Research Group
- Preliminary Notes on the Lichens of Whatcom County, Washington (by A.C. Herre)
- Provisional Checklist of Alaskan Lichens (Michigan State University Herbarium)
- Survey Protocols for Category A & C Lichens (downloadable PDF available at www.blm.gov/or/plans/…/SP/Lichens/20021018/im-or-2003-004-Att1.pdf)
- The Artful Amoeba
- The Species Pair Concept in Lichenology
- Washington State Lichen Checklist (Burke Museum of Natural History and Culture)
- Ways of Enlichenment – Lichens of North America (by Trevor Goward)
- Welcome to the World of Lichen (Oregon State University, with lab materials, etc.)
- Welcome to the World of Lichenology (University of Hawaii)
- Wila (lichen) (Wikipedia)
- Working List of Rare Lichens (Washington Natural Heritage Program)
- World’s First Lichen Garden