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Lichen and Mycorrhizae. By Reuben Vandezande. Lichens. A fungus that grows symbiotically with algae, resulting in a composite organism that characteristically forms a crust-like or branching growth on rocks or tree trunks.(Wikipedia). http://www.answers.com/topic/lichen. Pictures.
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Lichen and Mycorrhizae By Reuben Vandezande
Lichens • A fungus that grows symbiotically with algae, resulting in a composite organism that characteristically forms a crust-like or branching growth on rocks or tree trunks.(Wikipedia) http://www.answers.com/topic/lichen
Pictures Tube Lichen
Pictures Green Shield Lichen
Pictures Grisley Beard Lichen
Mycorrhizae • Mycorrhizae are symbiotic associations that form between the roots of most plant species and fungi. http://stvrainarborcare.com/FAQs_10.html
Pictures • White Truffle
Pictures • Redwood seedlings with, right, and without, left, mycorrhizae
Importance of Lichen and Mycorrhizae • They provide a place for algae to survive in harsh conditions (lichen) • They absorb anything in the air, especially pollutants (lichen) • Provide nutrients for host plants by increasing the rate of decomposition in the root area of the plant (mycorrhizae)
Life cycle http://kentsimmons.uwinnipeg.ca/16cm05/16labman05/lb2pg20_files/image004.jpg
Interesting Facts • Lichens are many times the first organism to settle in an area with no soil • It is estimated that lichens cover 8% of the earth • Some Lichens may be over 10,00 years old, in the Antarctic • Some mycorrhizae can protect roots from other fungus http://itotd.com/articles/637/lichens/