Mix of lichens, Greenwich Park - 2013

Mix of lichens, Greenwich Park - 2013

Observation - Mix of lichens, Greenwich Park - 2013 - UK and Ireland. Description: My focus was on the smallish flat one, but the others were too interesting to crop out. The close-up may be of a different species.

My focus was on the smallish flat one, but the others were too interesting to crop out. The close-up may be of a different species.