Dog Lichen?

Dog Lichen?

Observation - Dog Lichen? - UK and Ireland. Description: Lichens (Peltigera? and Cladonia) establishing in experimental roof mix plot. Higher plants visible are Sedum acre and Silene otites

Lichens (Peltigera? and Cladonia) establishing in experimental roof mix plot. Higher plants visible are Sedum acre and Silene otites