Lichen zy i

Lichen zy i

Observation - Lichen zy i - UK and Ireland. Description: Grey foliose lichen with network of white lines on lobes growing on deciduous trunk. Lots of dark isidia in middle of thallus and less densely on outer lobes. Possibly Parmelia saxatilis.

Grey foliose lichen with network of white lines on lobes growing on deciduous trunk. Lots of dark isidia in middle of thallus and less densely on outer lobes. Possibly Parmelia saxatilis.