(Ehrh. ex Ach.) Hale
Xanthoparmelia conspersa is a common, foliose lichen on siliceous rock in Britain, but is rather local in West Glamorgan. The yellow-green or yellow-grey thallus bears distinctive coralloid isidia.
Listed under Parmelia conspersa by Alan Orange in Flora of Glamorgan (Wade et al, 1994).
Key: