Grey-green foliose lichen

Grey-green foliose lichen

Observation - Grey-green foliose lichen. Description: Grey-green foliose lichen on tree branch.Rounded lobes smooth but become wrinkled when old.No conspicious big apothecia seen as occurs in Xanthoria parietina. Only tiny white spheres visible (could these be granular soredia arising from pustules?)

Grey-green foliose lichen on tree branch.Rounded lobes smooth but become wrinkled when old.No conspicious big apothecia seen as occurs in Xanthoria parietina. Only tiny white spheres visible (could these be granular soredia arising from pustules?)