Lichen

How lovely the weather has been this week, so was looking forward to my day off today! So it's been cloudy and rainy. Got wet walking back from the Co-op and deli. But there was a brief bit of nice weather when I went to the GP, and the stunningly colourful lichen on the gravestones caught my eye.
Lichens are amazing of course. They are symbiotic relationship between a fungus and an algae.