Oak with Xanthoria, Physica & Parmelia lichens

Oak with  Xanthoria, Physica & Parmelia lichens

Observation - Oak with Xanthoria, Physica & Parmelia lichens - UK and Ireland. Description: The oaks by the Pen Ponds in Richmond Park had relatively few lichens - although those that they had tended to be lower than 50cm up the trunks. This was unusual in that respect.

The oaks by the Pen Ponds in Richmond Park had relatively few lichens - although those that they had tended to be lower than 50cm up the trunks.
This was unusual in that respect.