Lichen with white spotted lobes

Lichen with white spotted lobes

Observation - Lichen with white spotted lobes. Description: Greenish-grey, foliose lichen rosette growing on low branch of deciduous tree. (Other foliose lichens also protruding through same area.) White punctiform pseudocyphellae on lobes. Edge areas of outer lobes brownish with extreme edges white in places. E

Greenish-grey, foliose lichen rosette growing on low branch of deciduous tree. (Other foliose lichens also protruding through same area.) White punctiform pseudocyphellae on lobes. Edge areas of outer lobes brownish with extreme edges white in places. Edges of inner lobes covered in soredia. Undersurface of lobes whitish to pale brown. Possibly Punctelia jeckeri.