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Project Noah Nature School
Silvery growth on a rock. As with all Lichen, these are "composite organisms consisting of a symbiotic organism composed of a fungus (the mycobiont) with a photosynthetic partner (the photobiont or phycobiont), usually either a green alga (commonly Trebouxia) or cyanobacterium (commonly Nostoc)." - Wikipedia
Rock in partial shade along trail in chaparral area of Lake Dixon
Looks similar to Bellemerea alpina but this was found in a dry, low climate.
Spotted on Sep 17, 2011
Submitted on Sep 17, 2011
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