*Very* similar lichens. The granules in and on the cups do not quite look flattened to me, which is the difference between C. pyxidata and C. chlorophaea. Easy to see if they are side by side, but otherwise easy to confuse.
Liam O'Brien
2014-04-00
Sat Apr 12 2014 14:56:51 GMT-0700 (PDT)
United States of America, California, Tank Hill Park, San Francisco, CA, US