right, thanks... I'll check!
arlanda, what about these? do you know if this is Parmotrema perlatum?
http://www.projectnoah.org/spottings/12107878
and this one? Or do I have to check the type of rock first?
http://www.projectnoah.org/spottings/12142621
I know it sounds funny, but depending on the type of rock you can have different types of lichens. They are very different if they are on lime-type (basic) than in sliceous (acid) rocks.
Maybe Aspicilia calcarea, specially if the rock on which it grows is limestone.
http://fungi.myspecies.info/category/lichens/aspicilia-calcarea
http://www.irishlichens.ie/pages-lichen/l-82.html
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