Picture taken on the 2/02/2008 at Sant Joan ermitage, Montserrat, Barcekina, on conglomerates with calcareous cement, sunny place.
Foliose thallus, rosette forming, lobes wide les than 6 mm, not adpressing to the substrate, not with channel form, from green to brown or even black colour. Isidia present becoming flattened, squamulous. Normally without apothecia.
Variety according to George Clauzade and Claude Roux in Likenoj de Okcidenta Europo.