Notes: Dark gray crustose lichen with black hemispherical bumps (fruiting structures?) growing on Red alder. Fingernail is 3/4 inch across for perspective. Photo darker than actual lichen.
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Created: 2008-11-01 16:42:54 PDT (-0700)
Last modified: 2008-11-01 16:42:54 PDT (-0700)
Viewed: 10 times, last viewed: 2016-10-25 21:32:09 PDT (-0700)