Several foliose lichens, Parmelia and such like?

Several foliose lichens, Parmelia and such like?

Observation - Several foliose lichens, Parmelia and such like? - UK and Ireland. Description: Grey foliose lichens growing on sycamore bark, presuming at least two are Parmelias of some kind, but not sure which. Also possibly a Physcia or Hypogymnia?

Grey foliose lichens growing on sycamore bark, presuming at least two are Parmelias of some kind, but not sure which. Also possibly a Physcia or Hypogymnia?