Obs 9

Obs 9

Observation - Obs 9 - UK and Ireland. Description: This is a Silver Birch tree (Betula pendula) with a wide spread coverage of both dark and light green crustose lichen. The highest concentration of the dark green lichen is towards the base of the tree.

This is a Silver Birch tree (Betula pendula) with a wide spread coverage of both dark and light green crustose lichen. The highest concentration of the dark green lichen is towards the base of the tree.