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It intermixes with Pleopsidium and grey-colored crust, which is addressed in observation 189340. Interesting features of this specimen is its white lobes on the perimeter, and slightly darker thallus immediately inwards from those lobes. The lichen dwells in crevices and other protected locations around sandstone butte (bottom photo).
Created: 2014-11-23 20:46:34 CST (-0500)
Last modified: 2016-01-31 21:56:53 CST (-0500)
Viewed: 40 times, last viewed: 2016-10-21 17:55:53 CDT (-0400)