Monday, October 19, 2015

Don's Blog Greenland XII Lichen 2 10-19

Map Lichen (Rhizocarpon geographicum) grows closely attached to igneous rocks such as granite and quartz.  It looks like someone has applied greenish dots on a black background. As it intermingles with other lichen it looks like a colorful map.



Although difficult to interpret, this map helped us find our way back to the ship.


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