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Greenish-yellow moss. Bumpy, on a stone wall.
Stone wall, in Stonington, ME
Could be "common orange lichen", but it's hard to say. The picture is not clear enough.
Thank you! I knew it was some sort of lichen. I've seen this everywhere, but I didn't know what it was.
Welcome to Project Noah Margaret!This looks like a species of crustose lichen, but I can't tell you the exact species. Lichens are very interesting organisms as they are actually a symbiosis between an algae & a fungi. You can read more about lichens here - http://en.wikipedia.org/wiki/Lichen
Lat: 44.16, Long: -68.66
Spotted on Feb 4, 2012 Submitted on Feb 4, 2012