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Project Noah Nature School
Physcia biziana
This is a foliose lichen, fairly exposed. It is a Physcia common on oak bark and less common on granite and other barks. It is easily recognized by the abundant apothecia and heavy coarse pruina.
On the bark of a horse chestnut.
Camera Model: NIKON D300. Exposure Time: 1/200 sec. f/7.1 ISO Speed Rating: 200. Focal Length: 90.0 mm.
Spotted on Mar 1, 2012
Submitted on Mar 10, 2012
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