Xanthoria ( & Physcia) lichen on Ash tree

Xanthoria ( & Physcia) lichen on Ash tree

Observation - Xanthoria ( & Physcia) lichen on Ash tree. Description: This Ash tree is situated near car park off Horseferry Road, Westminster,, near the London Westminster automatic Urban Monitoring station for pollution . The lichen is very high up in the tree ( maybe 10 foot plus high) in partial sunlight.

This Ash tree is situated near car park off Horseferry Road, Westminster,, near the London Westminster automatic Urban Monitoring station for pollution . The lichen is very high up in the tree ( maybe 10 foot plus high) in partial sunlight.