Physcia/Xanthoria? foliose lichen

Physcia/Xanthoria? foliose lichen

Observation - Physcia/Xanthoria? foliose lichen - UK and Ireland. Description: Green/grey and yellow/orange foliose lichen on north west facing sloping felt shed roof in suburban garden. Each patch is 1-3cm diameter.

Green/grey and yellow/orange foliose lichen on north west facing sloping felt shed roof in suburban garden. Each patch is 1-3cm diameter.