Unknown Lichen sp.

Unknown Lichen sp.

Observation - Unknown Lichen sp. - UK and Ireland. Description: Far from certain if my suggestion is correct so any comments will be great - thanks. approx 7cm in length, found growing on a possible Willow branch. Dark underneath.

Far from certain if my suggestion is correct so any comments will be great - thanks. approx 7cm in length, found growing on a possible Willow branch. Dark underneath.