There's some pictures of Thelocarpon laureri at
ITALIC:
http://dbiodbs.univ.trieste.it/
The spores are small and numerous. That should be a
givaway.
there's a Thelocarpon lichenicola ascus picture at The
University of Norway:
http://www.toyen.uio.no/botanisk/lav/Photo_Gallery/Thelocarpon/lichenicola_G=Nor\
way+Akershus+Ski_H=O-L138556_C=ET_I=1.jpg
Doug