An anamorphic ascomata most often found on foliose lichen Lobaria pulmonaria. Rare but probably under-recorded

References: 
Etayo & Diederich (1996) Lichenicolous Fungi from the western Pyrenees, France and Spain. III. Species on Lobaria pulmonaria. Bull. Soc. Nat. luxemb. 97: 93-118
Website: Fungi and Lichens of Great Britain and Ireland