Personally I don't find lichen unsightly. I have it on my patio and pavers. I do clean off the green algae though,which I do find a bit unsightly,and it can also get quite slippery.
“Every day is ordinary, until it isn't.” - Bernard Cornwell-Death of Kings
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I have it on my patio and pavers.
I do clean off the green algae though,which I do find a bit unsightly,and it can also get quite slippery.