Nature Diary Rocks History Gallery Links Home Page
It is a lichen that can tolerate a certain level of pollution, particularly if it is growing on an alkaline surface, such as mortar, asbestos or limestone. It grows on the concrete based tiles of our extension but not on the terra-cotta tiles of the original roof.
We don't see much wildlife on our walk around the valley. But it's still a good feeling to get out into the wintery landscape of the valley with its bare trees, such as this Ash by the lane. The branches are bare but deep green Ivy clings to the trunk.