No 1 of three crustose lichens

No 1 of three crustose lichens

Observation - No 1 of three crustose lichens - UK and Ireland. Description: I’m struggling with these three crustose lichens because they are so small and no matter how I’ve tried I can’t get better pictures and so are probably unidentifiable. At the top and bottom are two patches of white crustose lichen, the lower patch mea

I’m struggling with these three crustose lichens because they are so small and no matter how I’ve tried I can’t get better pictures and so are probably unidentifiable.

At the top and bottom are two patches of white crustose lichen, the lower patch measures 7mm x 19mm, the apothecia appear as black ‘scribbles’; the nearest I’ve found to this is Opegraphia atra.