This is the exact same lichen as two other pitures featured elsewhere (http://bit.ly/p76e4K and http://bit.ly/o76PpT), but unlike those two this has diffuse, even lighting applied. I like the other two better, and am posting this one primarily as a contrast. A brown-fringed gray foliose lichen overgrowing at least three other morphologies of lichen on a rock. I believe the primary lichen has numerous isidia (small finger-like structures protruding from the thallus). My best guess is that...
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This is the exact same lichen as two other pitures featured elsewhere (http://bit.ly/p76e4K and http://bit.ly/o76PpT), but unlike those two this has diffuse, even lighting applied. I like the other two better, and am posting this one primarily as a contrast. A brown-fringed gray foliose lichen overgrowing at least three other morphologies of lichen on a rock. I believe the primary lichen has numerous isidia (small finger-like structures protruding from the thallus). My best guess is that this is in _Physcia_, but I'm not sure. This lichen was found in Vasquez Rocks County Park in Los Angeles County.
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