International Association of Lichenologists – http://www.botany.hawaii.edu/cpsu/ial.htm

Recent literature on lichens – http://www.nhm.uio.no/botanisk/lav/RLL/RLL.HTM

Air Quality and Lichens – http://www.fs.fed.us/r6/aq/lichen/almanac.htm

Index Fungorum – http://www.toyen.uio.no/botanisk/lav/Photo_Gallery/PG_index.html

National Botanical Research Institute, Lucknow, India – http://www.nbri-lko.org

Lichenology laboratory, NBRI, Lucknow, India (Private Site) – http://www.geocities.com/lichen_nbri

Discussion group for lichens - International Lichenological Newsletter – http://www.bgbm.org/ial/301/on-line.htm

Discussion group for lichens - The California Lichen Society – http://ucjeps.berkeley.edu/rlmoe/cals.html

British Lichen Society (For further links to other lichenological sites) - http://users.argonet.co.uk/users/jmgray

Lichen Images –

http://kmubserv.tg.fh-giessen.de/pm/page.cfm?PRID=20&CFID=44274&CFTOKEN=77161419&PID=96

Lichen Images – http://membres.lycos.fr/liboupat/Lichens/lichens.htm

Lichen Portrait Gallery – http://www.lichen.com/portraits.html