Look up: lichen

1. Lichen
   A combined growing condition of algae and fungus. It looks crusty, and comes in many colors: gray, green, bluish, or browns.
   Found on http://www.emilycompost.com/garden_gloss
   
   
2. lichen
   A thallus consisting of an alga and fungus intermixed and living in a symbiotic relationship.
   Found on http://ppathw3.cals.cornell.edu/glossary
   
   
3. Lichen
   A regular association of an alga or cyanobacterium with a fungus, usually leading to the formation of a plant-like structure.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
4. lichen
   [n] - any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks 2. [n] - any thallophytic plant of the division Lichenes
   Found on http://www.webdictionary.co.uk/definitio
   
   
5. lichen
   A symbiotic growth of fungus and algea. A variety known as reindeer moss is frequently sold in model shops and is used to simulate bushes and trees. Check out this article for further information.
   Found on http://www.terragenesis.co.uk/glossary.p
   
   
6. lichen
   A large group of symbiotic associations between fungi and green and occasionally blue-green algae. Several genera of algae and of fungi are involved and the associations are so stable and of such varied but distinct types that the lichens have been classified into genera and species. A variety of incompatibility phenomena are often manifest between individual lichens. Confined to terrestrial habitats and often used as indicators of pollution status of the environment.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
7. Lichen
   Li'chen (lī'kĕn; 277) noun [ Latin , from Greek leichh`n .] 1. (Botany) One of a class of cellular, flowerless plants, (technically called Lichenes ), having no distinction of leaf and stem, usually of scaly,...
   Found on http://www.encyclo.co.uk/webster/L/37
   
   
8. lichen
   A large group of symbiotic associations between fungi and green and occasionally blue green algae. Several genera of algae and of fungi are involved and the associations are so stable and of such varied but distinct types that the lichens have been classified into genera and species. A variety of in...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
9. lichen
   noun any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
10. lichen
    noun any of several eruptive skin diseases characterized by hard thick lesions grouped together and resembling lichens growing on rocks
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
11. lichen
    (li´kәn) any of certain plants formed by the mutualistic combination of an alga and a fungus. any of various papular skin diseases in which the lesions are typically small, firm papules set close together.
    Found on http://www.encyclo.co.uk/local/21001
    
    
12. Lichen
    • (n.) One of a class of cellular, flowerless plants, (technically called Lichenes), having no distinction of leaf and stem, usually of scaly, expanded, frond-like forms, but sometimes erect or pendulous and variously branched. They derive their nourishment from the air, and generate by means o...
    Found on http://thinkexist.com/dictionary/meaning
    
    
13. lichen
    any of about 15,000 species of thallophytic plantlike organisms that consist of a symbiotic association of algae (usually green) and fungi (mostly ... [5 related articles]
    Found on http://www.britannica.com/eb/a-z/l/46
    
    
14. lichen
    Type: Term Pronunciation: lī′ken Definitions: 1. A discrete flat papule or an aggregate of papules giving a patterned configuration resembling lichen growing on rocks.
    Found on http://www.medilexicon.com/medicaldictio
    
    
15. Lichen
    Organism that consists of a symbiotic joining of a species of fungi and a species of algae.
    Found on http://www.physicalgeography.net/physgeo
    
    
16. lichen
    lichen (lī'kun) , usually slow-growing organism of simple structure, composed of fungi (see Fungi) and photosynthetic green algae or cyanobacteria living together in a symbiotic relationship and resulting in a structure that resembles neither constituent. There are about 25,000 species, mo...
    Found on http://www.infoplease.com/ce6/sci/A08296
    
    
17. lichen
    Any organism of a unique group that consists of associations of a specific fungus and a specific photosynthetic organism (an alga or a cyanobacterium) living together in a mutually beneficial relationship (symbiosis). Found as coloured patches or spongelike masses on trees, rocks, and other surfaces,...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
18. Lichen
    `Lichens` (, sometimes ) are composite organisms consisting of a symbiotic association of a fungus (the `mycobiont`) with a partner (the `photobiont` or `phycobiont`), usually either a green alga (commonly Trebouxia) or cyanobacterium (commonly Nostoc).<ref name=dobson/> The morphol...
    Found on http://en.wikipedia.org/wiki/Lichen