Directory of Lichens Resources

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Lichens are fungi which form a symbiotic partnership with either green algae (Chlorophycophyta) or blue-green algae (Cyanobacteria). Most of the lichenised fungi are from the phylum Ascomycota but some are from the phylum Basidiomycota.

Resources in This Category

• A Lichen in Close-up

  http://www.microscopy-uk.org.uk/mag/artoct03/arfungi.html
  Images of a lichen at three different magnifications, the most detailed showing the algal and fungal components.

• British Soldier Lichen

  http://bioweb.uwlax.edu/bio203/2010/bowers_ryan/Templates/bsl.htm
  Student project on Cladonia cristatella with classification, habitat, phylogenetics and environmental interactions.

• Catalog of California Lichens

  http://ucjeps.berkeley.edu/constancea/84/index.html
  1575 species have been identified from this state, the great geographic diversity being responsible for the relatively large number of lichens found.

• Cladina: Reindeer Lichens

  http://www.borealforest.org/lichens/lichen3.htm
  Information and photographs of Cladina mitis, C. rangiferina and C. stellaris, their description, habitat and other notes.

• Cladonia cristatella

  http://botit.botany.wisc.edu/toms_fungi/jul2002.html
  Article by Tom Volk on the British soldier lichen, where the fungal element is associated with the green alga, Trebouxia erici.

• Cladonia rangifera

  http://botit.botany.wisc.edu/toms_fungi/dec2000.html
  Article by Tom Volk on this lichen, often known as Reindeer Moss, and on lichens in general.

• Cladonia: Club Lichens and Cup Lichens

  http://www.borealforest.org/lichens/lichen4.htm
  Photographs and information on these lichens, their description, habitat and other notes.

• Cryptothecia rubrocincta, the Christmas Lichen

  http://botit.botany.wisc.edu/toms_fungi/dec2006.html
  Photographs and article by Tom Volk on this spectacular lichen which can be found in the tropical regions of the Americas.

• FIA Lichen Indicator

  http://www.fia.fs.fed.us/program-features/indicators/lichen/
  The Forest Inventory and Analysis service in the United States monitors the lichen community in order to assess the impact of air pollution on forest health.

• Growth and Development in Lichens

  http://www.earthlife.net/lichens/growth.html
  Each species of lichen has its own preferred substrate. This article describes how and where they grow and the extremes of climate that they can tolerate.

• Introduction to Lichens

  http://www.ucmp.berkeley.edu/fungi/lichens/lichens.html
  A lichen is a combination of two organisms which live together intimately. Information on their fossil record, life history and ecology, systematics and morphology.

• LIAS

  http://www.lias.net/
  Provides a global information system for lichenized and non-lichenized ascomycetes.

• Lichen Determination Keys Available on the Internet

  http://www.bgbm.fu-berlin.de/sipman/keys/
  Provides links to keys providing details of the lichens that can be found in many countries throughout the world.

• Lichen Pictures

  http://www.botany.hawaii.edu/cpsu/pictures/0.html
  Photographs of Acolium hawaiiense, Acroscyphus sphaerophoroides, Anaptychia leucomelos, Bacidia medialis, Bryoria furcellata, B. smithii, Buellia aeruginascens, B. proximata, B. pruinosa, B. tincta, Caloplaca erythrantha and Teloschistes flavicans.

• Lichens

  http://www.backyardnature.net/lichens.htm
  An illustrated introduction to the lichens with information on their ecology and reproduction.

• Lichens of North America

  http://www.lichen.com/
  Details of the book of this name, and an interesting introduction to the biology of lichens and their relationships with man and the environment.

• Lichens: Dual Organisms

  http://www.mycolog.com/chapter7.htm
  Twenty four photographs ranging from lichen covered rock faces, through individual species to magnified sections, published in a pictorial supplement to the Fifth Kingdom.

• Life on the Rocks

  http://www.microscopy-uk.org.uk/mag/artjun02/pjlichens.html
  A peep into the world of lichens by Paul James with photographs of a number of species growing in Wales.

• Niebla and Vermilacinia Communities

  http://www.worldbotanical.com/niebla_communities.htm
  Photographs and information on the lichens in the Ramalinaceae family found in California and Baja California.

• Peltigera aphthosa

  http://www.borealforest.org/lichens/lichen8.htm
  Photograph and description of the freckle pelt or spotted dog lichen, its habitat and other notes.

• Plants Profile for Fayodia striatula

  http://plants.usda.gov/core/profile?symbol=FAST
  Details of this lichenous member of the family Tricholomataceae.

• Reproduction and Reproductive Structures

  http://www.earthlife.net/lichens/reproduction.html
  Outline with diagrams of the two fundamentally different sorts of reproductive bodies possessed by lichens, and the three main types of vegetative reproduction where pieces of lichen detach.

• The Earthlife Web Lichen Image Directory

  http://www.earthlife.net/lichens/images/photos/thumbs/thumbs1.html
  About 40 images of lichens, including some unidentified ones.

• Walton Hall Nature Trail

  http://www.open.ac.uk/Nature_Trail/Lichen.htm
  Take a walk through the churchyard to see what lichens grow on the different man-made outcrops of stone.

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• Home > Science > Biology > Mycology > Lichens

 

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