Unidentified yellow foliose lichen

Unidentified yellow foliose lichen

Observation - Unidentified yellow foliose lichen - UK and Ireland. Description: Growing on the weathered terracotta roof tiles of the ornamental well in our garden, facing north east. This was the only location I found where this lichen growing.

Growing on the weathered terracotta roof tiles of the ornamental well in our garden, facing north east. This was the only location I found where this lichen growing.