@article {4052, title = {Eine Revision der lichenicolen Arten der Sammelgattungen Guignardia und Physalospora (Ascomycotina)}, journal = {Bibliotheca Lichenologica}, volume = {77}, year = {2000}, pages = {181 pp. + 9 pl.}, author = {Hoffmann, N. and Hafellner, J.} }